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Facet Rough of All Minerals Page

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Our facet rough items are sold and replaced on a daily basis, so do come back often!


Gem-Grade Amethyst Rough, 289.75 carats


Item: amef124
This Facet grade amethyst rough specimen weighs 289.75 carats (57.95 grams)
Natural Amethyst Facet Rough Dimensions: 1.8" x 1.4" x 1"
Discovered at Maraba, Brazil
Price: $115.90
This piece of natural amethyst gem grade rough was found at Maraba, Brazil. It has 100% natural color with some color zoning. In one direction, this natural amethyst chunk has very pale purple color. Perpendicular to this direction the color is a beautiful light purple color as shown at left. This rare quality amethyst piece makes a great specimen of gem grade amethyst just as it is. This amethyst specimen is also ideal for making a large flawless carving or faceted gemstones. It is over 50% internally flawless, and it would yield more than 80 carats of totally clean faceted gemstones.

Gem-Grade Amethyst Rough, 334.80 carats

This unique item is sold.
Item: amef125
This Facet grade amethyst rough specimen weighs 334.80 carats (66.96 grams)
Natural Amethyst Facet Rough Dimensions: 2" x 1.6" x 1"
Discovered at Maraba, Brazil
Price: $133.92
This piece of natural amethyst gem grade rough was found at Maraba, Brazil. It has 100% natural color with noticeable color zoning showing almost colorless areas and other areas with beautiful light purple color as shown at left. This rare quality amethyst piece makes a great specimen of gem grade amethyst just as it is, although it also is ideal for making a large flawless carving or faceted gemstones. It is over 50% internally flawless, and it would yield over 80 carats of totally clean faceted gemstones.

Gem-Grade Amethyst Rough, 562 carats

This unique item is sold.
Item: amef126
This Facet grade amethyst rough specimen weighs 562 carats (112.4grams)
Natural Amethyst Facet Rough Dimensions: 2.1" x 1.9" x 1.6"
Discovered at Maraba, Brazil
Price: $224.80
This piece of natural amethyst gem grade rough was found at Maraba, Brazil. It has 100% natural color with noticeable color zoning showing almost colorless areas and other areas with beautiful light purple color as shown at left. This rare quality amethyst piece makes a great specimen of gem grade amethyst just as it is, although it also is ideal for making a large flawless carving or faceted gemstones. It is over 50% internally flawless, and it would yield over 150 carats of totally clean faceted gemstones.

Gem-Grade Amethyst Rough, 679.5 carats


Item: amef127
This Facet grade amethyst rough specimen weighs 679.5 carats (135.9grams)
Natural Amethyst Facet Rough Dimensions: 2.4" x 2.3" x 1.7"
Discovered at Maraba, Brazil
Price: $271.80
This piece of natural amethyst gem grade rough was found at Maraba, Brazil. It has 100% natural color with noticeable color zoning showing almost colorless areas, some smoky quartz areas, and other areas with beautiful light purple color. See also another view of this natural bi-color specimen of natural amethyst facet rough. This natural color amethyst rough piece makes a great specimen of gem grade amethyst with smoky quartz just as it is, although it also is ideal for making a large flawless carving or a large flawless faceted gemstone with both amethyst and smoky quartz in the same gem (bi-color amethyst with smoky quartz!). This natural color amethyst rough is over 60% internally flawless, and it would yield over 200 carats of totally clean faceted gemstones.

Gem-Grade Amethyst Rough, 926.5 carats


Item: amef123
926.5 carats (185.3 grams)
3.6" x 1.9" x 1.7"
mined at Maraba, Brazil
Price: $592.96
This extra large size piece of rare quality amethyst gem grade rough was mined in Maraba, Brazil. It has 100% natural color with noticeable color zoning. About 50% of this natural amethyst chunk has very pale color, and the rest has beautiful medium purple color. It shows bluish color overtones when viewed with flourescent lighting, and there are reddish color overtones under incandescent lighting. This rare quality amethyst piece is ideal for making a large flawless carving. It is over 90% internally flawless! It would yield more than 400 carats of totally clean faceted gemstones!

Amethyst Facet or Lapidary Rough


Item: amef128
316.1grams (1580 carats)
4 7/8 x 2 1/8 x 1 5/8 inches approx.
Maraba, Brazil
Price: $126.44
This large crystal of amethyst lapidary rough was mined in Maraba, Brazil and has colors of light to dark purple with some noticeable color zoning. The upper portion of this crystal shows bluish color overtones in fluorescent lighting and reddish color overtones in incandescent lighting. The lower portion of this crystal grades from transparent purple down to milky white quartz at the base. Also there is still some milky white still attached to the sides. Although this rough contains some noticeable veils and small inclusions it should cut two (2) or more large gem stones, or a nice carving or cabs. The large clean areas require some orientation for the best results.

Amethyst Facet or Lapidary Rough


Item: amef129
290.2grams (1451 carats)
4 5/8 x 2 x 1 3/4 inches approx.
Maraba, Brazil
Price: $101.57
This large crystal of amethyst lapidary rough was mined in Maraba, Brazil and has colors of light to dark purple with some noticeable color zoning. The upper portion of this crystal shows some bluish color overtones in fluorescent lighting and reddish color overtones in incandescent lighting. The lower portion of this crystal grades from transparent purple down to milky white quartz at the base. Also there is still some milky white quartz attached to the sides. Although this rough contains some noticeable veils and small inclusions it should cut several smaller nice gem stones, or a nice carving or cabs. The clean areas require some orientation for the best results.

Amethyst Facet or Lapidary Rough


Item: amef130
219.4grams (1097 carats)
4 1/8 x 2 x 1 5/8 inches approx.
Maraba, Brazil
Price: $98.73
This large crystal of amethyst lapidary rough was mined in Maraba, Brazil and has colors of light to dark purple with some noticeable color zoning. The upper portion of this crystal shows bluish color overtones in fluorescent lighting and reddish color overtones in incandescent lighting. The lower portion of this crystal grades from transparent purple down to milky white quartz at the base. Also there is still some milky white still attached to the sides. Although this rough contains some noticeable veils and small inclusions it should cut one (1) very large gem and other smaller gemstones, or a nice carving or cabs. The large clean areas require some orientation for the best results.

Flawless Rough-Sawn Ametrine, 100.26 carats

This unique item is sold.
Item: amtf101
100.26 carats
36mm x 26mm x 21mm
Mined in Bolivia
Price: $120.31
This piece of natural color ametrine faceting rough was mined at the Anahi Mine in Bolivia. We sawed away all of the included areas in this genuine ametrine piece leaving it completely clean. It has areas of with both golden-orange citrine color and with purple amethyst color (100% natural colors).

Flawless Rough-Sawn Ametrine, 155.18 carats

This unique item is sold.
Item: amtf105
155.18 carats
39mm x 25mm x 21mm
Mined in Bolivia
Price: $186.22
This piece of natural color ametrine faceting rough was mined at the Anahi Mine in Bolivia. We sawed away all of the included areas in this genuine ametrine piece leaving it completely clean, and it could yield over 60 carats of flawless ametrine gemstones. It has areas of with golden-orange citrine color and areas with purple amethyst color (100% natural colors).

Gem-Grade Aquamarine Crystal, 68.05 carats

This unique item is sold.
Item: aquf105
68.05 carats
1.7" long x 0.7" x 0.5" (43mm x 17mm x 13mm)
Ponta Marambaia, Brazil
Price: $244.56
This naturally terminated aquamarine crystal has just a few tiny inclusions which are only visible with bright illumination. The color of this aquamarine crystal section is a natural pale blue-green. It would yield 15 carats of eye clean faceted gemstones. This gem-grade aquamarine crystal could yield nicely matching gems for aquamarine earrings.

Gem-Grade Aquamarine Crystal, 54.75 carats

This unique item is sold.
Item: aquf107
54.75 carats
2.2" long x 0.5" x 0.4" (55mm x 12mm x 11mm)
Ponta Marambaia, Brazil
Price: $246.38
This naturally terminated aquamarine crystal section has just a few tiny inclusions with large clean areas that would yield 12 carats of totally clean faceted gems. This gem-grade aquamarine crystal would yield nicely matching gems for aquamarine earrings. The natural aquamarine crystal has light greenish-blue natural color.

Gem-Grade Aquamarine Crystal, 45.05 carats

This unique item is sold.
Item: aquf108
45.05 carats
1.7" long x 0.5" x 0.4" (44mm x 12mm x 11mm)
Ponta Marambaia, Brazil
Price: $252.25
This naturally bi-terminated aquamarine crystal is 70% eye clean. The color of this aquamarine crystal is a natural light greenish-blue. It would yield over 12 carats of totally clean faceted gems. This gem-grade aquamarine crystal could yield nicely matching gems for aquamarine earrings.

Gem Grade Yellow Kunzite Crystal


Item: kunm196
This natural gem grade yellow kunzite weighs 721.8 carats (144.36 grams)
2.9" long x 1.8" x 1.1"
(74.5mm x 45mm x 28mm)
Mined at Nooristan, Afghanistan
Price: $469.17
This natural kunzite crystal has rich yellow natural color and very rare gem-grade transparency. It is naturally terminated, with surfaces in mostly very good condition and some abrasions. This rare quality natural yellow kunzite crystal would yield over 120 carats of flawless fine yellow kunzite faceted gemstones!

4.8 inch Gem Grade Yellow Kunzite Crystal

This unique item is sold.
Item: kunm197
1179.5 carats (235.9 grams)
4.8" long x 1.3" x 1"
mined at Nooristan, Afghanistan
Price: $684.11
This fine quality natural kunzite crystal has rich yellow natural color and very rare gem-grade transparency. It is naturally bi-terminated, with surfaces in excellent condition. This rare quality natural yellow kunzite crystal would yield over 170 carats of totally clean fine yellow kunzite faceted gemstones!

Facet Grade Heliodor + Aquamarine Crystal

This unique item is sold.
Item: helm127
191.55 carats (38.31 grams)
2.4" long x 0.95" x 0.6"
mined at Padre Paraiso, Brazil
Price: $612.96
This naturally terminated heliodor crystal has several large gem grade areas that would yield about 25 carats of flawless faceted gemstones! Its prismatic faces and terminations are in mostly very good condition. The color is a very rich natural yellow that becomes a very pale natural greenish-blue aquamarine color at the tip! The photo at left was taken under incandescent light.

Heliodor Specimen with Albite and Mica

This unique item is sold.
Item: helm119
77.9 grams
2.7" long x 1.7" x 1.3"
(68mm x 42mm x 34mm)
mined at Medina, Brazil
Price: $171.38
This partially terminated and etched heliodor specimen is semi-transparent to transparent with gem-grade areas and natural light greenish-yellow color. There is some muscovite mica and white albite attached. The photo at left was taken under incandescent light.

Light Blue-Green Natural Aquamarine Crystal

This unique item is sold.
Item: aqum211
this genuine aquamarine crystal weighs 261 carats (52.2 grams)
1.7" long x 1.4" x 1.2"
(44mm x 37mm x 32mm)
Mined at Medina, Brazil
Price: $522.00
This fine quality aquamarine crystal specimen has light blue-green natural color with terminations in excellent condition. It has very good transparency with several large clean areas that could yield about 30 carats of flawless faceted gemstones! See also a another view of this natural aquamarine specimen.

Gem Grade Natural Aquamarine Crystal, 355.4 cts

This unique item is sold.
Item: aqum212
this genuine aquamarine crystal weighs 355.4 carats (71.1 grams)
2.0" long x 1.5" x 1.1"
(52mm x 38mm x 30mm)
Mined at Medina, Brazil
Price: $639.72
This rare quality aquamarine crystal is bi-terminated with naturally etched surfaces, and it has excellent transparency with many gem-grade areas that would yield at least 35 carats of totally clean faceted gemstones! This naturally terminated aquamarine crystal has light blue-green natural color and nice vitreous luster. See also a photo showing the back side of this unique natural aquamarine specimen.

Natural Aquamarine Crystal, 502.7 cts


Item: aqum213
this genuine aquamarine crystal weighs 502.7 carats (100.5 grams)
2.3" long x 1.7" x 1.4"
(60mm x 43mm x 36mm)
Mined at Medina, Brazil
Price: $955.13
This fine quality aquamarine specimen weighs 502.7 carats, and it has many gem-grade areas inside. It is actually composed of several intergrown bi-terminated crystals with beautiful light blue-green natural color and naturally etched terminations and prismatic faces in very good condition.

Cats Eye Quartz Rough


Item: ctql103
Natural cats eye quartz rough specimen weighing 1.1 pounds
Cats Eye Quartz Rough Dimensions: 4" x 3.3" x 2"
Mined in Bahia, Brazil
Price: $31.50
This specimen of natural cats eye quartz was mined in Bahia, Brazil in 1996. It is completely natural, with no treatments of any kind. The cats eye quartz has some white quartz lenses here and there within the gray cat's eye quartz. It has a brown oxidized outer surface with fresh surfaces showing gray actinolite fibers encased by quartz. This material yields very nice silver color chatoyancy when properly oriented and polished. This cats eye quartz piece makes a nice specimen of natural cats eye quartz just as it is, although it does have lapidary grade areas that would yield beautiful cats eye quartz gemstones.

Cats Eye Quartz Rough


Item: ctql108
Natural cats eye quartz rough specimen weighing one pound
Cats Eye Quartz Rough Dimensions: 3.8" x 3.2" x 2.1"
Mined in Bahia, Brazil
Price: $41.50
This natural specimen of cats eye quartz was mined in Bahia, Brazil in 1996. It is completely natural, with no treatments of any kind. This material has silver color chatoyancy when properly oriented and polished. This cats eye quartz specimen is lapidary grade and would yield a 1.7 inch diameter sphere with plenty of material left over for making cats eye quartz cabochon gems.

Cats Eye Quartz Rough


Item: ctql104
Natural cats eye quartz rough specimen weighing 1.5 pounds
Cats Eye Quartz Rough Dimensions: 5.5" x 3.4" x 2.1"
Mined in Bahia, Brazil
Price: $46.50
This specimen of natural cats eye quartz was mined in Bahia, Brazil in 1996. It is completely natural, with no treatments of any kind. The cats eye quartz has some white quartz lenses intergrown within the gray cat's eye quartz. This specimen has a brown oxidized outer surface with fresh surfaces showing light gray actinolite fibers encased by quartz. This material yields silver color chatoyancy when properly oriented and polished. This cats eye quartz piece makes a nice specimen of natural cats eye quartz just as it is, although it is lapidary grade and would yield a couple of 1.5 inch diameter spheres with lots of material left over for making cats eye quartz cabochon gems.

Cats Eye Quartz Rough


Item: ctql105
Natural cats eye quartz rough specimen weighing 3.0 pounds
Cats Eye Quartz Rough Dimensions: 6.2" x 3.5" x 3"
Mined in Bahia, Brazil
Price: $62.50
This specimen of natural cats eye quartz was mined in Bahia, Brazil in 1996. It is completely natural, with no treatments of any kind. The cats eye quartz has some white quartz lenses intergrown within the gray cat's eye quartz. This specimen has a brown oxidized outer surface with fresh surfaces showing gray actinolite fibers encased by quartz. This material yields great silver color chatoyancy when properly oriented and polished. This cats eye quartz piece makes a nice specimen of natural cats eye quartz just as it is, although it is lapidary grade and would yield a couple of 2 inch diameter spheres with plenty of material left over for making cats eye quartz cabochon gems.

Large Cats Eye Quartz Rough


Item: ctql106
Natural cats eye quartz rough specimen weighing 10.5 pounds
Cats Eye Quartz Rough Dimensions: 8" x 6.5" x 5.5"
Mined in Bahia, Brazil
Price: $238.50
This large specimen of natural cats eye quartz was mined in Bahia, Brazil in 1996. It is completely natural, with no treatments of any kind. The cats eye quartz has some white quartz lenses intergrown within the gray cat's eye quartz. This specimen has a brown oxidized outer surface with fresh surfaces showing gray actinolite fibers encased by quartz. The photo at left is a close-up of a fresh surface. See a full view photo of this natural cats eye quartz rough. This material has great silver color chatoyancy when properly oriented and polished. See also a side view photo of this genuine cats eye quartz specimen. This cats eye quartz specimen is lapidary grade and would yield a very large wonderful carving or a couple of 3 inch diameter spheres with plenty of material left over for making cats eye quartz cabochon gems.

Large Cats Eye Quartz Rough

This unique item is sold.
Item: ctql107
Natural cats eye quartz rough specimen weighing 13.8 pounds
Cats Eye Quartz Rough Dimensions: 8.3" x 7.75" x 5.5"
Mined in Bahia, Brazil
Price: $218.95
This large specimen of natural cats eye quartz was mined in Bahia, Brazil in 1996. It is completely natural, with no treatments of any kind. The cats eye quartz has some white quartz lenses intergrown within the gray cat's eye quartz. This specimen has a brown oxidized outer surface with fresh surfaces showing gray actinolite fibers encased by quartz. See also an end view photo of this natural cats eye quartz rough. This material has great silver color chatoyancy when properly oriented and polished. This cats eye quartz specimen is lapidary grade and would yield a 4 inch diameter sphere with plenty of material left over for making smaller spheres, carvings, and cats eye quartz cabochon gems.

Large Cats Eye Quartz Rough


Item: ctql109
Natural cats eye quartz rough specimen weighing 10.8 pounds
Cats Eye Quartz Rough Dimensions: 8" x 6" x 5"
Mined in Bahia, Brazil
Price: $294.50
This large specimen of natural cats eye quartz was mined in Bahia, Brazil in 1996. It is completely natural, with no treatments of any kind. The cats eye quartz has some white quartz lenses intergrown within the gray cat's eye quartz. This specimen has a brown oxidized outer surface with fresh surfaces showing gray actinolite fibers encased by quartz. This material has very nice silver color chatoyancy when properly oriented and polished. This cats eye quartz specimen is lapidary grade and would yield a 4 inch diameter sphere with material left over for making a fine 2 inch diameter sphere and lots of cats eye quartz cabochon gems.

2500 carat lot of Lemon Citrine Facet Rough

This unique item is sold.
Item: citf109
2500 carats! (500.0 grams) Total Weight(1.1Lbs)
40 pieces, ranging from 20 to 120 carats each (4 to 24 grams)
Brazil
Price: $345.00 (Lot Price)
This 500 gram lot of citrine quartz facet rough has been rough-sawn, leaving only facet-quality citrine pieces with rich "lemon yellow" color, ideal for faceting flawless gems. These rough pieces weigh from 25 carats to 125 carats each! For a limited time, our mineralminers.com special offer price for this 2500 carat lot (500 grams) is $345.

Flawless Blue Tourmaline Facet Rough


Item: tblf125
This natural color Blue Tourmaline facet rough weighs 7.25 carats
Blue Tourmaline Facet Rough Dimensions: 10.5mm x 10mm x 7.5mm deep
Mined in Afghanistan
Price: $565.50
This natural color indicolite tourmaline crystal section has very rich blue color that is slightly greenish-blue perpendicular to the c-axis under daylight as shown. Along the c-axis it is dark. It is flawless inside and will yield a flawless blue tourmaline faceted gemstone weighing 4 carats with medium-dark to dark blue color! See also another view of this natural color blue tourmaline facet rough. Our mineralminers.com special offer price for this gem-grade piece of natural color indicolite tourmaline facet rough is $78/carat = $565.50

Flawless Blue Tourmaline Facet Rough


Item: tblf126
This natural color Blue Tourmaline facet rough weighs 48.15 carats
Blue Tourmaline Facet Rough Dimensions: 27mm x 15.5mm x 12mm deep
Mined in Afghanistan
Price: $6259.50
This natural color indicolite tourmaline crystal section has very rich blue color that is slightly greenish-blue perpendicular to the c-axis under daylight as shown. Along the c-axis it is dark. It is flawless inside and will yield a flawless rectangular faceted gemstone weighing 27 carats with rich medium-dark to dark blue color! See also an end view photo of this natural blue tourmaline facet rough. Our mineralminers.com special offer price for this gem-grade piece of natural color indicolite tourmaline facet rough is $130/carat = $6259.50

11.3 carat Gem-Grade Green Tourmaline Crystal


Item: tgrf131
11.3 carats (2.26 grams)
19mm x 8mm x 7.5mm
mined in Minas Gerais, Brazil
Price: $67.80
This gem-grade green tourmaline crystal section has medium-dark brownish green natural color; it has not been heated or treated in any way. It appears to be almost black, but when held up to a light the color is visible. This natural tourmaline crystal section has some very faint inclusions in about 70% of the piece, and about 30% is completely clean. Rather than cutting a smaller completely clean gem, it would also yield a single larger gem of about 3 carats with some very faint inclusions.

12.1 carat Gem-Grade Green Tourmaline Crystal


Item: tgrf132
12.1 carats (2.42 grams)
13mm x 10mm x 9mm
mined in Minas Gerais, Brazil
Price: $82.28
This gem-grade green tourmaline crystal section has medium-dark rich green natural color; it has not been heated or treated in any way. It appears to be almost black, but when held up to a light the color is visible. This natural tourmaline crystal section has some very faint inclusions in about 60% of the piece, and about 40% is completely clean. Instead of cutting a smaller completely clean gem, it also would yield a single larger gem of 3-4 carats with some very faint inclusions.

7.85 carat Gem-Grade Green Tourmaline Crystal


Item: tgrf133
7.85 carats (1.57 grams)
18.5mm x 7mm x 5mm
mined in Minas Gerais, Brazil
Price: $117.75
This gem-grade green tourmaline crystal section has dark green natural color; it has not been heated or treated in any way. It appears to be almost black, but when held up to a light the beautiful green color is visible as shown. This natural green tourmaline crystal is completely clean inside throughout its length. It is naturally terminated with terminations in very good condition. This rare quality natural green tourmaline crystal would yield a 4 carat flawless gemstone!

Gem-Grade Green Tourmaline Crystal

This unique item is sold.
Item: tgrf142
Natural color green tourmaline weighing 9.93 carats
Green Tourmaline Crystal Dimensions: 29mm x 6.5mm x 5.5mm
This natural green tourmaline was found in Minas Gerais, Brazil
Price: $148.95
This gem-grade green tourmaline crystal has medium-dark green natural color; it has not been heated or treated in any way. It is naturally terminated with terminations in good condition. This rare quality natural green tourmaline crystal is completely clean, and it would yield a 5 carat flawless gemstone!

Gem Grade Blue-Green Tourmaline


Item: tgrf143
Natural color blue-green tourmaline weighing 10.04 carats
Tourmaline Dimensions: 17mm x 8mm x 6.5mm
This natural green tourmaline was found in Minas Gerais, Brazil
Price: $522.08
This gem grade blue-green tourmaline crystal section has fine medium blue-green natural color; it has not been heated or treated in any way. It is a natural tourmaline crystal section. This rare quality tourmaline is 85% flawless, and it would yield a 4 carat flawless gemstone! See also a back side view photo of this natural green tourmaline facet grade rough.

53.4 carat Gem-Grade Green Tourmaline Crystal


Item: tgrf138
53.4 carats (10.68 grams)
46mm x 10mm x 9mm
mined in Minas Gerais, Brazil
Price: $747.60
This gem-grade green tourmaline crystal section is 1.8 inches long. It has med-dark green natural color with faint natural color zoning - it has not been heated or treated in any way. This green tourmaline appears to be almost black, but when held up to a light the green color is visible as shown. This natural green tourmaline crystal section has some very faint inclusions at one end, and the remaining 90% is completely clean inside throughout its length. This rare quality natural green tourmaline would yield 25 carats of eye-clean faceted gemstones!

3.75 inch Gem-Grade Green Tourmaline Crystal

This unique item is sold.
Item: tgrf139
139.8 carats (27.96 grams)
95mm x 12.5mm x 12.5mm
mined in Minas Gerais, Brazil
Price: $1258.20
This gem-grade green tourmaline crystal measures 3.75 inches long! This rare quality tourmaline crystal has dark green natural color throughout its length - it has not been heated or treated in any way. It appears to be almost black, but when held up to a light the rich green color and faint color zoning is visible as shown. This natural green tourmaline crystal is completely clean in the upper half, with faint inclusions in its lower half. It is naturally terminated with terminations in very fine condition. This rare quality natural green tourmaline crystal would yield 35 carats of flawless faceted gemstones! See also another back-lit view, and a close-up view of the base.

Gem Grade Green-Blue Tourmaline Crystal Section

This unique item is sold.
Item: tgrf130
63.0 carats (12.6 grams)
25.5mm x 16.5mm x 15.5mm
mined in Pakistan
Price: $630.00
This natural tourmaline crystal section has medium blue-green natural color; it not been heated or treated in any way. This beautiful tourmaline crystal section measures 1 inch long. It appears to be almost black, but when held to a light the beautiful color is visible. The tourmaline has fine cabochon gem grade transparency, with faint natural inclusions throughout its length. This is a great collector specimen of gem grade blue-green tourmaline just as it is, although if cut into a faceted gem, it would yield a 20+ carat lightly included gem with fine medium blue-green color, or a 30 carat cabochon gem! See also a view from a different side.

Topaz Pre-formed Facet Rough

This unique item is sold.
Item: topf110
26.38 carats
20mm x 15mm x 10.5mm deep
Marambaia, Brazil
Price: $26.38
This preformed oval shape natural topaz facet rough was mined in the Marambaia River Valley in Brazil. It has beautiful pale blue color. This topaz pre-form appears to be totally clean when examined very closely under magnification. The photo at left shows both a top-view and a side-view.

Topaz Pre-formed Facet Rough

This unique item is sold.
Item: topf111
31.11 carats
22.2mm x 15.7mm x 12.5mm deep
Marambaia, Brazil
Price: $31.11
This preformed free-form shape natural topaz facet rough was mined in the Marambaia River Valley in Brazil. It has beautiful pale blue color. This topaz pre-form appears to be totally clean when examined very closely under magnification. The photo at left shows both a top-view and a side-view.

Topaz Pre-formed Facet Rough

This unique item is sold.
Item: topf112
33.59 carats
22.5mm x 18.5mm x 12.6mm deep
Marambaia, Brazil
Price: $33.59
This preformed free-form shape natural topaz facet rough was mined in the Marambaia River Valley in Brazil. It has beautiful pale blue color. This topaz pre-form appears to be totally clean when examined very closely under magnification. The photo at left shows both a top-view and a side-view.

Colorless Topaz Pre-formed Facet Rough

This unique item is sold.
Item: topf113
35.56 carats
18mm x 15.5mm x 13mm deep
Marambaia, Brazil
Price: $35.56
This colorless topaz was preformed into a rectangular shape natural topaz facet rough that was mined in the Marambaia River Valley in Brazil. This topaz pre-form appears to be totally clean when examined very closely under magnification. When faceted, this type of colorless topaz is very brilliant and is often referred to as silver topaz. The photo at left shows both a top-view and a side-view.

Topaz Pre-formed Facet Rough

This unique item is sold.
Item: topf114
42.77 carats
18mm x 17mm x 13.5mm deep
Marambaia, Brazil
Price: $42.77
This preformed square-shaped topaz facet rough was mined in the Marambaia River Valley in Brazil. It has beautiful pale blue natural color. This topaz pre-form appears to be totally clean when examined very closely under magnification. The photo at left shows both a top-view and a side-view.

Colorless Topaz Pre-formed Facet Rough

This unique item is sold.
Item: topf115
54.29 carats
20.7mm x 17.4mm x 14.5mm deep
Marambaia, Brazil
Price: $54.29
This colorless topaz was preformed into a rectangular shape natural topaz facet rough that was mined in the Marambaia River Valley in Brazil. This topaz pre-form appears to be totally clean when examined very closely under magnification. When faceted, this type of colorless topaz is very brilliant and is often referred to as silver topaz. The photo at left show a top-view, see also a side-view photo.

Topaz Pre-formed Facet Rough

This unique item is sold.
Item: topf116
87.58 carats
25mm x 21mm x 15mm deep
Marambaia, Brazil
Price: $96.33
This preformed rectangular shape topaz facet rough was mined in the Marambaia River Valley in Brazil. It has very beautiful light sky blue natural color. This topaz pre-form appears to be totally clean when examined very closely under magnification. The photo at left shows both a top-view and a side-view.

Topaz Pre-formed Facet Rough

This unique item is sold.
Item: topf117
108.17 carats
29.3mm x 24.7mm x 17.5mm deep
Marambaia, Brazil
Price: $118.99
This preformed oval shape natural topaz facet rough was mined in the Marambaia River Valley in Brazil. It has very beautiful light sky blue natural color. This topaz pre-form appears to be totally clean when examined very closely under magnification. The photo at left shows both a top-view and a side-view.

Topaz Pre-formed Facet Rough

This unique item is sold.
Item: topf103
127.5 carats
35mm x 26.5mm x 18mm deep
Marambaia, Brazil
Price: $108.38
This preformed pear-shaped topaz facet rough was mined in the Marambaia River Valley in Brazil. It has beautiful pale blue color. This topaz pre-form appears to be totally clean even under very close inspection with magnification. The photo at left shows a top view.

Pear-Shaped Topaz Pre-form, 274 cts!

This unique item is sold.
Item: topf106
274.4 carats
52mm x 35mm x 24mm deep
Marambaia, Brazil
Price: $205.80
This preformed pear-shaped topaz facet rough was mined in the Marambaia River Valley in Brazil. The photo at left shows a top view of this pre-formed topaz. It has beautiful light sky blue color. This pre-form appears to be totally clean even under very close inspection with magnification.

Colorless Topaz Pre-formed Facet Rough

This unique item is sold.
Item: topf107
124.0 carats
32mm x 23mm x 18mm deep
Marambaia, Brazil
Price: $99.20
This colorless topaz was preformed into an oval shape for faceting. It appears to be totally clean even under very close inspection with magnification. When faceted, this type of colorless topaz is very brilliant and is often referred to as silver topaz. The photo at left shows a top view of this natural color untreated pre-formed topaz rough.

Triangle-Shaped Colorless Topaz Pre-form

This unique item is sold.
Item: topf108
105.9 carats
38mm x 22.5mm x 18mm deep
Marambaia, Brazil
Price: $84.72
This near colorless topaz was preformed into a triangular shape for faceting, and it appears to be totally clean even under very close inspection with magnification. It has just the faintest trace of pale blue natural color. When faceted, this type of topaz is very brilliant and is often referred to as silver topaz. The photo at left shows a top view of this piece of pre-formed topaz faceting rough.

Topaz Pre-formed Facet Rough , sold individually

Temporarily out of stock, please come back later.
Item: topf118
over 24 carats each
over 19.mm x 14.mm oval
Marambaia, Brazil
Price: $33.50
This preformed oval shape natural topaz facet rough was mined in the Marambaia River Valley in Brazi. Each piece weighs over 24 carats. They have very beautiful light sky blue color. These topaz pre-forms appear to be totally clean when examined very closely under magnification. The photo at left shows them at several angles. These pre-forms are sold individualy at $33.50 each.

Topaz Pre-formed Facet Rough , sold individually

Item: topf119
over 15 carats each
over 17mm x 12.mm oval
Marambaia, Brazil
Price: $34.40
This preformed oval shape natural topaz facet rough was mined in the Marambaia River Valley in Brazi. Each piece weighs over 15 carats. They have very beautiful medium dark sky blue color. These topaz pre-forms appear to be totally clean when examined very closely under magnification. The photo at left shows them at several angles. These pre-forms are sold individualy at $34.40 each.

Topaz Pre-formed Facet Rough , sold individually

Item: topf120
over 23 carats each
over 19mm x 13.mm oval
Marambaia, Brazil
Price: $51.40
This preformed oval shape natural topaz facet rough was mined in the Marambaia River Valley in Brazi. Each piece weighs over 23 carats. They have very beautiful medium dark sky blue color. These topaz pre-forms appear to be totally clean when examined very closely under magnification. The photo at left shows them at several angles. These pre-forms are sold individualy at $51.40 each.

Topaz Pre-formed Facet Rough , sold individually

Item: topf121
over 18carats each
over 19mm x 13.5mm pear shape
Marambaia, Brazil
Price: $49.40
This preformed pear shape natural topaz facet rough was mined in the Marambaia River Valley in Brazi. Each piece weighs over 18 carats. They have very beautiful medium dark sky blue color. These pear shaped topaz pre-forms appear to be totally clean when examined very closely under magnification. The photo at left shows them at several angles. These pre-forms are sold individualy at $49.40 each.

Topaz Pre-formed Facet Rough , sold individually


Item: topf122
over 31.5 carats each
over 19mm x 14.mm emerald cut
Marambaia, Brazil
Price: $76.50
This preformed E C shape natural topaz facet rough was mined in the Marambaia River Valley in Brazi. Each piece weighs over 31.5 carats. They have very beautiful medium dark sky blue color. These emerald cut topaz pre-forms appear to be totally clean when examined very closely under magnification. The photo at left shows them at several angles. These pre-forms are sold individualy at $76.50 each.

Facet Grade Rubellite Tourmaline, (8.08grams)


Item: trbf153
40.5carats
29mm x 13mm x 10mm
mined in Minas Gerais, Brazil
Price: $929.20
This 8.08 gram crystal of natural color gem-grade tourmaline has very nice purplish red color, a deeper tone through the "C" axis, with a natural V running the length of the crystal down one side, reducing the width to 9mm all through this area. The interior of this tourmaline crystal is very clean! It has a few minor surface blemishes along its outer skin, and a bruise on the end where the green tip was taken off. This crystal could yield two very nice matching gems, of 9 carats or more each, depending on the cutters determination. The best choice of color however would be through the "C" axis thus reducing the recovery. See also an other view photo of this natural pink tourmaline gem rough. Our mineralminers.com miner's price for this gem-grade piece of natural rubellite tourmaline faceting rough is $115/gram = $929.20

Facet Grade Soft-PinkTourmaline, 17.48 carats (3.49grams)


Item: trbf157
17.48carats
17.5mm x 11mm x 8mm
mined in Minas Gerais, Brazil
Price: $402.04
This 17.48 carat piece of natural color gem-grade tourmaline has a very nice soft slightly oranges-pink color. The interior of this blocky, tourmaline crystal section is exceptionally clean except for one single, very slender needle like inclusion running the full length of the crystal section. This inclusion is off to one side of the crystal and runs parallel to that side, and should not reduce the recovery of gem or gems from this otherwise flawless piece of tourmaline rough very much. This crystal section could yield a fine rectangular shaped gem of near six (6) carats or several smaller gems by faceting through the "C" axis. See also an other view photo of this natural pink tourmaline gem rough. Our mineralminers.com miner's price for this gem-grade piece of natural rubellite tourmaline faceting rough is $23.00/carat = $402.04

Facet Grade Rubellite Tourmaline, 26.5 carats (5.30grams)

This unique item is sold.
Item: trbf158
26.5 carats
26mm x 12mm x 8mm
mined in Minas Gerais, Brazil
Price: $652.50
This 26.5 carat crystal of natural color gem-grade tourmaline has very nice purplish red color, a deeper tone through the "C" axis, with a small break on one end reducing the useable length to 23mm. The interior of this tourmaline crystal is very clean with a slight color change at about 17mm of its length. It has a few minor surface blemishes along its outer skin with very little penetration. This crystal could yield two very nice gems, one of 10 carats or more plus a smaller one off the end, depending on the cutters determination. The best choice of color however would be through the "C" axis thus reducing the maximum recovery. See also an other view photo of this natural pink tourmaline gem rough. Our mineralminers.com miner's price for this gem-grade piece of natural rubellite tourmaline faceting rough is $25/carat = $652.50


This is the end of our Facet Rough of All Minerals virtual gallery page. Some of our mineral specimens, polished crystals and spheres also have large flawless areas suitable for faceting gems, so you may wish to check out these pages as well.

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Last Updated: April 2, 2009
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