Tanzanite Mineral Specimen

Tanzanite Crystals and Mineral Specimens

Tanzanite Crystals and other Tanzanite Items in our Virtual Gallery


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Tanzanite Crystals and Mineral Specimens

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Small Tanzanite Specimens

Item: tanm189x
From 2.4 grams to 5 grams each (14-25 carats each - see below)
Small tanzanite crystal pieces from 1/2 inch to 3/4 inch long (see sizes below)
These genuine tanzanites were mined in Tanzania
These small size tanzanite mineral specimens were mined in the Merelani Hills of Tanzania. They are translucent to semi-transparent tanzanite crystal pieces with light to medium blue-violet color. Please see below to order.
14 Carat Tanzanite Specimens (2.4 grams each)

Item: tanm189aa
Price: $10.95 each

18 Carat Tanzanite Specimens (3.6 grams each)

Item: tanm189ac
Price: $13.50 each

25 Carat Tanzanite Specimens (5 grams each)

Item: tanm189ae
Price: $18.50 each


Natural Tanzanite Specimen, 57 carats


Item: tanm203
Genuine tanzanite rough specimen weighing 108.5 carats (21.7 grams)
Tanzanite Mineral Specimen Dimensions: 1" long x 0.7"x 0.5"
Mined in Tanzania
Price: $34.20
This tanzanite (Zoisite) specimen was mined in the Merelani Hills of Tanzania. It is translucent to semi-transparent tanzanite with mostly broken surfaces. It has two areas with light reddish-purple color. See also another view.

Natural Tanzanite Specimen, 72 carats


Item: tanm202
Genuine tanzanite rough specimen weighing 108.5 carats (21.7 grams)
Tanzanite Mineral Specimen Dimensions: 1.3" long x 0.9"x 0.6"
Mined in Tanzania
Price: $43.20
This tanzanite (Zoisite) specimen was mined in the Merelani Hills of Tanzania. It is translucent tanzanite with some small semitransparent areas. Its surfaces partially covered with graphite and there is a small amount of pyrite. See also a close-up view of this tanzanite specimen.

Natural Tanzanite Specimen, 44.75 carats


Item: tanm206
Genuine tanzanite rough specimen weighing 44.75 carats (8.95 grams)
Tanzanite Mineral Specimen Dimensions: 0.8" x 0.8"x 0.6"
Mined in Tanzania
Price: $44.75
This unique tanzanite specimen was mined in the Merelani Hills of Tanzania. It is translucent tanzanite with mostly broken surfaces. Its surfaces are partially covered with graphite.

Natural Tanzanite Specimen, 38 carats


Item: tanm205
Genuine tanzanite rough specimen weighing 38 carats (7.6 grams)
Tanzanite Mineral Specimen Dimensions: 0.8" x 0.7"x 0.6"
Mined in Tanzania
Price: $53.20
This tanzanite specimen was mined in the Merelani Hills of Tanzania. It is translucent tanzanite with some small semi-transparent areas and mostly broken surfaces.

Tanzanite Crystal Specimen, 59.5 carats


Item: tanm207
Genuine tanzanite rough specimen weighing 59.5 carats (11.9 grams)
Tanzanite Crystal Specimen Dimensions: 0.9" x 0.8"x 0.6"
Mined in Tanzania
Price: $59.50
This tanzanite specimen was mined in the Merelani Hills of Tanzania. It is a translucent tanzanite crystal section with some small semi-transparent areas. See also another view of this tanzanite specimen.

Natural Tanzanite Specimen, 107.5 carats


Item: tanm204
Genuine tanzanite rough specimen weighing 107.5 carats (21.5 grams)
Tanzanite Mineral Specimen Dimensions: 1.2" long x 1"x 0.7"
Mined in Tanzania
Price: $64.50
This tanzanite (Zoisite) specimen was mined in the Merelani Hills of Tanzania. It is translucent tanzanite with mostly broken surfaces.

Natural Tanzanite Specimen, 108.5 carats


Item: tanm198
Genuine tanzanite rough specimen weighing 108.5 carats (21.7 grams)
Tanzanite Mineral Specimen Dimensions: 1.3" long x 1"x 0.7"
Mined in Tanzania
Price: $65.10
This tanzanite (Zoisite) specimen was mined in the Merelani Hills of Tanzania. It is translucent tanzanite with some surfaces partially covered with graphite. See also another view of this tanzanite mineral specimen.

Natural Tanzanite Specimen, 121.2 carats


Item: tanm186
This natural tanzanite specimen weighs 121.2 carats (24.24 grams)
1.6" long x 0.9"x 0.7"
Mined in Tanzania
Price: $96.50
This natural tanzanite (Zoisite) specimen was mined in the Merelani Hills of Tanzania. It is a partially terminated tanzanite crystal with translucent to semi-transparent areas.

Natural Tanzanite Specimen, 182.1 carats


Item: tanm171
This natural specimen weighs 182.1 carats (36.42 grams)
1.7" long x 0.9"x 0.9"
Mined in Tanzania
Price: $145.58
This natural tanzanite specimen was mined in the Merelani Hills of Tanzania. It is a partially terminated tanzanite crystal section with translucent to semi-transparent areas and a small amount of graphite matrix on some surfaces. See also a back-view photo.

Natural Tanzanite Specimen, 197.5 carats


Item: tanm187
197.5 carats (39.5 grams)
2.0" long x 1.3"x 0.9"
Mined in Tanzania
Price: $158.00
This natural tanzanite (Zoisite) specimen was mined in the Merelani Hills of Tanzania. It is a partially terminated tanzanite crystal with translucent to semi-transparent areas and some pyrite on one side. See also a view showing the pyrite.

Natural Tanzanite Specimen, 270.5 carats


Item: tanm196
Genuine tanzanite rough specimen weighing 270.5 carats (54.1 grams)
Tanzanite Mineral Specimen Dimensions: 1.9" long x 1.6"x 0.7"
Mined in Tanzania
Price: $162.30
This tanzanite (Zoisite) specimen was mined in the Merelani Hills of Tanzania. It is a large piece of mostly translucent tanzanite with some small semi-transparent areas. Some surfaces are partially covered with graphite and there is some pyrite along one side. See also an opposite side view of this tanzanite mineral specimen.

Natural Tanzanite Specimen, 220.1 carats


Item: tanm151
220.1 carats (44.02 grams)
1.4" long x 1.3"x 1.2"
Mined in Tanzania
Price: $164.50
This natural tanzanite specimen (tanzanite is a variety of the mineral zoisite) was mined in the Merelani Hills of Tanzania. This tanzanite crystal section has mostly broken surfaces with some naturally terminated areas, and it is translucent to semi-transparent.

Large Tanzanite Mineral Specimen


Item: tanm197
Genuine tanzanite rough specimen weighing 1025 carats (205 grams)
Tanzanite Mineral Specimen Dimensions: 2.7" x 2.3"x 1.6"
Mined in Tanzania
Price: $512.50
This large tanzanite specimen was mined in the Merelani Hills of Tanzania. It is mostly translucent tanzanite with some small semi-transparent areas. Its surfaces are partially covered with graphite. See also a back side view.

1941 carat Natural Tanzanite Specimen!

This unique item is sold.
Item: tanm188
1941 carats (388.2 grams)
3.5" long x 3.4"x 1.7"
Mined in Tanzania
Price: $1118.95
This natural tanzanite (Zoisite) specimen was mined in the Merelani Hills of Tanzania. It is a partially terminated tanzanite crystal with translucent to semi-transparent areas. See a back-view photo and a front view photo of this tanzanite mineral specimen . See also another view.

Natural Tanzanite Specimen, 46.67 carats


Item: tanm144
46.67 carats (9.33 grams)
27mmx12.7mmx11.7mm
Mined in Tanzania
Price: $79.34
This natural color Blue tanzanite (Zoisite) specimen was mined in the Merelani Hills of Tanzania. It is a mostly translucent partial crystal with minor matrix minerals still attached.

Gem-Grade Tanzanite Crystal, 15.5 carats


Item: tanm200
Genuine Tanzanite Crystal weighs 15.5 carats
Tanzanite Crystal Dimensions: 0.7" long x 0.4"x 0.3"
Mined in Tanzania
Price: $232.50
This naturally terminated tanzanite crystal was mined in the Merelani Hills of Tanzania. It is semi-transparent to transparent. The prismatic faces and the terminations are in mostly good conditon with some abraded areas, and they have vitreous luster. This naturally terminated tanzanite crystal has a gem grade area at its tip that would yield a one carat faceted gemstone. See also a view of this gem grade tanzanite crystal lying on its side.

Tanzanite Crystal, 60.5 carats


Item: tanm201
Genuine Tanzanite Crystal weighs 60.5 carats
Tanzanite Crystal Dimensions: 1.4" long x 0.7"x 0.5"
Mined in Tanzania
Price: $544.50
This naturally terminated tanzanite crystal was mined in the Merelani Hills of Tanzania. See also a full view of this tanzanite crystal. It is semi-transparent to transparent. See a back view photo of this tanzanite crystal. The terminations are in very good conditon overall, and they have vitreous luster. This naturally terminated tanzanite crystal has some small gem grade areas at its tip. This naturally terminated tanzanite crystal was carefully heated and it has a very rich purple color in one direction and rich blue color perpendicular to the purple. See another view showing the amazing color of this genuine tanzanite crystal.

Naturally Terminated Tanzanite Crystal, 72.2 carats


Item: tanm157
Genuine Tanzanite Crystal weighs 72.2 carats (14.44 grams)
1.5" long x 0.8"x 0.5"
Mined in Tanzania
Price: $649.80
This naturally terminated tanzanite crystal was mined in the Merelani Hills of Tanzania. It is mostly translucent to semi-transparent with small gem-grade areas at its tip. The prismatic faces are in mostly good conditon with some broken areas, and the terminations are in very good condition with vitreous luster. This naturally terminated tanzanite crystal was carefully heated and it has a very rich purple color in one direction and rich blue color perpendicular to the purple. See also a standing-view photo, opposite side photo, side-view photo, and a another side-view photo.

Zoisite Crystal Specimen, 31.28 carats


Item: tanm141
This natural zoisite crystal weighs 31.28 carats
40mm x 15mm x 7.7mm
Mined in Afghanistan
Price: $257.60
This natural color (Zoisite) crystal was stated by our supplier to have been mined in the Nangarhar Provence of Afghanistan. It actually is two crystals that are inter-grown and they are also doubly terminated. They grade from semi transparent at the base to completely transparent gem-grade at their teminations. Its prismatic faces and the terminations have vitreous luster, are in very good condition. This natural color tanzanite crystal has weak dichroism with a very light greenish blue gray color in one direction and a light pinkish gray when viewed from the front as shown in the photo at left which was taken under a mixture of incandescent and flourescent light.(see a back-view photo). The morphology of this crystal is very nice.(A rare colectors item)

Tanzanite Crystal, 9.58 carats


Item: tanm162
Natural tanzanite crystal weighs 9.58 carats
17mm long x 10mm x 7mm
Mined in Tanzania
Price: $153.28
This natural tanzanite crystal was mined in the Merelani Hills of Tanzania. This moderately included tanzanite crystal would be considered cab grade only. The prismatic faces and the terminations are in fair condition with good luster. The faces are partialy abraided as well as the tip. See also opposite side view photo.

Large Natural Tanzanite Specimen, 530.9 carats


Item: tanm173
This natural tanzanite weighs 530.9 carats (106+ grams)
Tanzanite measurements: 2.25" long x 1.75"x 1.10"
Mined in Tanzania, Merilani Block "D"
Price: $1643.00
This large natural tanzanite specimen weighs over 530 carats. It was mined in the Merelani Hills of Tanzania (Block "D"). This large tanzanite specimen is mostly translucent to semi-transparent. It has a beautiful intergrown crystal that has grown from its base that measures approximately 1-1/4"L x 5/8" x 3/8" tapering from mid-way to a chisel like termination. The upper portion of this is gem quality, mostly clean and very transparent. This is a stand alone specimen and the termination of the main crystal is capped with a layer of silvery black graphite, offering a nice contrast. See also another view photo See also another view photo

Large Natural Tanzanite Specimen, 467.5 carats


Item: tanm174
Natural Tanzanite Specimen weighs 467.5carats (93.5 grams)
This genuine tanzanite dimensions is: 3.5" long x 1.25"x .55"
Mined in Tanzania, Merilani Block "D"
Price: $1963.50
This large natural tanzanite specimen weighs over 467 carats. It was mined in the Merelani Hills of Tanzania (Block "D"). This beautiful, large tanzanite specimen is mostly translucent to semi-transparent. A good portion of this large crystal is gem quality,great as a specimen, or for carving or cabbing. This is a stand alone specimen, but due to its height should be supported. The lower shoulder of its termination is capped with a thin layer of silvery black graphite, offering a nice contrast. See also another view photo See also an edge view photo See also another view photo

Natural Tanzanite Specimen, 143.9 carats


Item: tanm175
143.9 carats (28.8 grams)
1.2" long x 0.6"x 0.5"
Mined in Tanzania
Price: $230.40
This natural tanzanite specimen was mined in the Merelani Hills of Tanzania. It is a partially terminated, blocky tanzanite crystal section with translucent to semi-transparent areas and a very small amount of graphite matrix on one face. This speciman has been gently heated to atain this nice blue color. See also a another view photo.

Gem Grade Tanzanite Crystal, 13.5 carats


Item: tanm178
13.5 carats (2.7 grams)
24mm long x12mm x 7mm
Mined in Tanzania
Price: $210.00
This natural tanzanite crystal was mined in the Merelani Hills of Tanzania. It is mostly transparent with gem-grade areas. The prismatic faces and the terminations show vitrous luster and are in good condition overall with two sides showing striations. This natural tanzanite crystal has a mostly blue color under flourescent light and a blueish purple with transmitted light. See also a side-view photo with transmitted light.

Tanzanite Crystal, 16.1 carats


Item: tanm179
16.1 carats
25mm long x 13mm x 7mm
Mined in Tanzania
Price: $180.00
This natural tanzanite crystal was mined in the Merelani Hills of Tanzania. This mostly transparent lightly included tanzanite crystal would best be used as a specimen. The faces and the terminations are in good condition with good luster with the exception of a broken tip on an outer termination . The faces are partialy striated as well. The color is a medium tone of purplish blue.

Tanzanite Crystal, 4.26 carats


Item: tanm191
4.26 carats
14.7mm long x6.0mm x 5.2mm
Mined in Tanzania
Price: $85.20
This natural tanzanite crystal was mined in the Merelani Hills of Tanzania. This unheated, lightly included tanzanite crystal would be considered cuttable, with a good sized clean area. It is a single crystal with mostly nice faces and termination. This specimen is heat treatable but has a unique bi-color look as is, with a slightly blueish base and transparent greenish yellow termination. See also another view of this genuine tanzanite crystal.

Tanzanite Crystal, 8.45 carats


Item: tanm193
3.98 carats
16.0mm long x10..0mm x 7.0mm
Mined in Tanzania
Price: $101.40
This natural tanzanite crystal was mined in the Merelani Hills of Tanzania. This unheated, lightly included tanzanite crystal would be considered cuttable, with a good sized clean area. The intergrown side by side crystals are some what striated but the terminations are in good condition. This specimen is heat treatable. It has a pale brownish greenish yellow look as is. See also a side-view of this genuine tanzanite crystal. See also another view of this genuine tanzanite crystal.

Speciman Grade Tanzanite Crystal, 4.98 carats


Item: tanm194
4.98 carats
12.3mm long x 8.6mm x 6.2mm
Mined in Tanzania
Price: $44.80
This natural tanzanite crystal was mined in the Merelani Hills of Tanzania. It is mostly transparent but moderately included. The prismatic faces and the terminations show vitrous luster and are in only fair condition with the chisel like termination being chipped part way down one face. This tanzanite crystal has a mostly blue color under flourescent light and a blueish purple with transmitted light. See also another view of this genuine tanzanite crystal.

Small Tanzanite Crystal, 3.12 carats


Item: tanm199
Genuine Tanzanite Crystal weighs 3.12 carats
Tanzanite Crystal Dimensions: 0.4" long x 0.3"x 0.2"
Mined in Tanzania
Price: $62.40
This naturally terminated tanzanite crystal was mined in the Merelani Hills of Tanzania. It is semi-transparent to transparent. The prismatic faces and the terminations are in mostly good conditon with some abraded areas, and they have vitreous luster. This naturally terminated tanzanite crystal was carefully heated and it has strong purplish color in one direction with strong blue color perpendicular to the purple. See also a view of this tanzanite crystal lying down on its side.
 


Our Tanzanite Mineral Specimens and Tanzanite Crystals were mined in the Merelani Hills of Tanzania.

See also our pages displaying genuine Tanzanite Jewelry, Tanzanite Bracelets and Tanzanite Gemstones.

Tanzanite is a trichroic gem variety of the mineral zoisite, with different colors along each of its three crystallographic directions. We have a selection of unusual genuine tanzanite gems & tanzanite jewelry items showing blue, violet, and green trichroism.

Select any link below to see superior quality tanzanite jewelry designs in solid 14k gold and in pure sterling silver.

Genuine Tanzanite Jewelry Designs
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Tanzanite Pendants
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Tanzanite Necklaces
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Tanzanite Rings
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Tanzanite Earrings
Tanzanite Jewelry
Tanzanite Jewelry
in Sterling Silver
Tanzanite Jewelry
Tanzanite Jewelry
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To see more genuine Tanzanite photos, just select another item category from the table below.

To see photos of another mineral variety, select any item category link in our Mineral Inventory & Factsheet Index.

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14k Gold & 18k Gold
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Last Updated: April 12, 2016
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