Boulder Opal Gemstones and Cats Eye Opal Gemstones
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Boulder Opal Gemstones and Cats Eye Opal Gemstones

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Item: Boulder Opal Mineral Specimen


Code#: opam144
Size: 2.6" x 2.2" x 1.5"
( 67 x 57 x 37mm )
Location: mined in Queensland, Australia
Price: $122.50
This piece of natural boulder opal consists of brown clay-ironstone matrix with a thin seam of precious opal. Within the opal there are areas of intense flashes of green, and some blueish-purple colors. Other than its polished surfaces, this mineral specimen is completely natural boulder opal, with no dyes, glues, laminations or fillers. The photo at left shows a close-up photo, see also a full-view photo.

Item: Boulder Opal Mineral Specimen


Code#: opam145
Size: 3.8" x 1.5" x 1.1"
( 98.5 x 39 x 28mm )
Location: mined in Queensland, Australia
Price: $194.50
This specimen of natural boulder opal rough consists of brown clay-ironstone matrix with a thin seam of precious opal. Within the opal there are areas with intense flashes of green, orange-red and some blueish-purple colors. Other thasn its polished surfaces this mineral specimen is completely natural boulder opal, with no dyes, glues, laminations or fillers. The photo at left shows a close-up photo, see also a full-view photo.

Item: Precious Opal Shell Fossil


Code#: opag132
Weight: 43.25 carats
Size: 34 X 30 X 11 mm
Location: Mined in Australia
Price: $280.00
This genuine opal fossil clam mined in Australia contains multicolors of crystal opal in predominately greens, blue through violet, to purple colors within a slightly bluish body color. The precious opal shell thickness is from 2 MM to over 5 MM thick covering a sandstone center. It is an excellent specimen as is but could be polished to bring out the colors even more.

Item: Natural Boulder Opal Pendant, 53.4 cts


Code#: opaj181
Weight: 53.4 carats
Size: this genuine boulder opal pendant is 1.3" long x 0.5" wide (36mm x 15mm)
Location: the boulder opal gem in this opal pendant was mined in Australia
Price: $84.50
This genuine boulder opal pendant was ground & polished into a free-form cabochon shape from natural boulder opal rough that was mined in Australia. It is drilled through near the top so that it can be worn on a necklace. We are offering this genuine boulder opal pendant with an 18 inch black leather necklace at no extra charge. If you would prefer a 16 inch black leather necklace (or a 16 inch black rubber necklace) just send an email to us when ordering. Other than being polished and drilled, this boulder opal gem is completely natural with no dyes, glues, laminations or fillers. This natural boulder opal gemstone has a dark brown clay-ironstone matrix with veinlets of opal passing through the ironstone, and within the opal there are areas with rich blue-violet and green flashes as you turn it.

Item: Natural Boulder Opal Pendant, 31.2cts


Code#: opaj185
Weight: 31.2 carats
Size: this genuine boulder opal pendant is 0.9" long x 0.5" wide (24mm x 15mm)
Location: Mined in Australia
Price: $104.50
This unique boulder opal pendant was ground & polished into a free-form cabochon shape from natural boulder opal rough that was mined in Australia. It was drilled through near the top so that it can be worn as a necklace. We are offering this genuine boulder opal pendant with an 18 inch black leather necklace at no extra charge. If you would prefer an 16 inch black leather necklace (or a 16 inch black rubber necklace) just send an email to us when ordering. Other than being polished and drilled, this boulder opal gem is completely natural with no dyes, glues, laminations or fillers. The boulder opal has a dark brown clay-ironstone matrix, and within the opal there are areas with beautiful blue-violet and green flashes as you turn it.

Item: Extra Large Natural Boulder Opal Pendant, 79.88 cts

This unique item is sold.
Code#: opaj134
Weight: 79.88 carats
Size: this genuine boulder opal pendant is 1.7" long x 0.8" wide (44mm x 22mm)
Location: Mined in Australia
Price: $112.95
This extra large boulder opal gem weighs 79.88 carats! It was ground & polished into a free-form cabochon shape from natural boulder opal rough that was mined in Australia. It was drilled through near the top so that it can be worn on a necklace. We are offering this genuine boulder opal pendant with an 18 inch black leather necklace at no extra charge. See also a close-up photo, and a full-view photo. If you would prefer a 16 inch black leather necklace (or a 16 inch black rubber necklace) just send an email to us when ordering. Other than being polished and drilled, this boulder opal gem is completely natural with no dyes, glues, laminations or fillers. The boulder opal has a dark brown clay-ironstone matrix, and within the opal there are areas with intense green and blue flashes as you turn the piece.

Item: Natural Boulder Opal Pendant, 18.1 carats

This unique item is sold.
Code#: opaj214
Weight: 18.1 carats
Size: 1" long x 0.8" wide x 0.2" thick (25mm x 20mm x 6mm)
Location: Mined in Australia
Price: $114.50
This unique piece of genuine boulder opal was ground & polished into a free-form cabochon shape from natural boulder opal rough that was mined in Australia. It was drilled through near the top so that it can be worn on a necklace. We are offering this genuine boulder opal pendant with an 18 inch black leather necklace at no extra charge. If you would prefer an 16 inch black leather necklace (or a 16 inch black rubber necklace) just send an email to us when ordering. Other than being polished and drilled, this boulder opal gem is completely natural with no dyes, glues, laminations or fillers. The boulder opal has a dark brown clay-ironstone matrix, and within the opal there are areas with beautiful blue-violet, green and some red flashes as you turn it!

Item: Natural Boulder Opal Pendant, 55.8 carats


Code#: opaj215
Weight: 55.8 carats
Size: this genuine boulder opal pendant is 1.5" long x 0.6" wide x 0.4" thick (38mm x 16mm x 10mm)
Location: Mined in Australia
Price: $138.25
This unique piece of genuine boulder opal was ground & polished into a free-form cabochon shape from natural boulder opal rough that was mined in Australia. It was drilled through near the top so that it can be worn on a necklace. We are offering this genuine boulder opal pendant with an 18 inch black leather necklace at no extra charge. If you would prefer an 16 inch black leather necklace (or a 16 inch black rubber necklace) just send an email to us when ordering. Other than being polished and drilled, this boulder opal gem is completely natural with no dyes, glues, laminations or fillers. The boulder opal has a dark brown clay-ironstone matrix, and within the opal there are areas with amazing blue-violet flashes as you turn it!

Item: Natural Boulder Opal Pendant, 84.40 carats

This unique item is sold.
Code#: opaj216
Weight: 84.40 carats
Size: this genuine boulder opal pendant measures 1.3" long x 0.9" wide x 0.4" thick (34mm x 24mm x 11mm)
Location: Mined in Australia
Price: $142.50
This unique piece of genuine boulder opal was ground & polished into a free-form cabochon shape from natural boulder opal rough that was mined in Australia. It was drilled through near the top so that it can be worn on a necklace. We are offering this genuine boulder opal pendant with an 18 inch black leather necklace at no extra charge. If you would prefer an 16 inch black leather necklace (or a 16 inch black rubber necklace) just send an email to us when ordering. Other than being polished and drilled, this boulder opal gem is completely natural with no dyes, glues, laminations or fillers. The boulder opal has a dark brown clay-ironstone matrix, and within the opal there are areas with beautiful blue-violet and green flashes as you turn it.

Item: Natural Boulder Opal Pendant, 42.30 carats


Code#: opaj217
Weight: 42.30 carats
Size: this genuine boulder opal pendant is 1.2" long x 0.6" wide x 0.4" thick (30mm x 15mm x 10mm)
Location: Mined in Australia
Price: $162.50
This unique boulder opal pendant was ground & polished into a free-form cabochon shape from natural boulder opal rough that was mined in Australia. It was drilled through near the top so that it can be worn on a necklace. We are offering this genuine boulder opal pendant with an 18 inch black leather necklace at no extra charge. If you would prefer an 16 inch black leather necklace (or a 16 inch black rubber necklace) just send an email to us when ordering. Other than being polished and drilled, this boulder opal gem is completely natural with no dyes, glues, laminations or fillers. The boulder opal has a dark brown clay-ironstone matrix, and within the opal there are areas with beautiful blue-violet and green flashes as you turn it.

Item: Natural Boulder Opal Pendant, 53.65 carats


Code#: opaj218
Weight: 53.65 carats
Size: this genuine boulder opal pendant is 1" long x 1" wide x 0.4" thick (25mm x 25mm x 11mm)
Location: Mined in Australia
Price: $182.50
This unique boulder opal pendant was ground & polished into a free-form cabochon shape from natural boulder opal rough that was mined in Australia. It was drilled through near the top so that it can be worn on a necklace. We are offering this genuine boulder opal pendant with an 18 inch black leather necklace at no extra charge. If you would prefer an 16 inch black leather necklace (or a 16 inch black rubber necklace) just send an email to us when ordering. Other than being polished and drilled, this boulder opal gem is completely natural with no dyes, glues, laminations or fillers. The boulder opal has a dark brown clay-ironstone matrix, and within the opal there are areas with beautiful green and blue-violet flashes as you turn it.

Item: Natural Boulder Opal Pendant, 69.60 carats

This unique item is sold.
Code#: opaj219
Weight: 69.60 carats
Size: 1.6" long x 0.7" wide x 0.4" thick (40mm x 19mm x 9mm)
Location: Mined in Australia
Price: $198.50
This unique piece of genuine boulder opal was ground & polished into a free-form cabochon shape from natural boulder opal rough that was mined in Australia. It was drilled through near the top so that it can be worn on a necklace. We are offering this genuine boulder opal pendant with an 18 inch black leather necklace at no extra charge. If you would prefer an 16 inch black leather necklace (or a 16 inch black rubber necklace) just send an email to us when ordering. Other than being polished and drilled, this boulder opal gem is completely natural with no dyes, glues, laminations or fillers. The boulder opal has a dark brown clay-ironstone matrix, and within the opal there are areas with beautiful green, blue, and some red flashes as you turn it!

Item: Natural Boulder Opal Pendant, 44.2cts

This unique item is sold.
Code#: opaj191
Weight: 44.2 carats
Size: 1.2" long x 0.7" wide (33mm x 18mm)
Location: Mined in Australia
Price: $238.25
This unique piece of genuine boulder opal was ground & polished into a free-form cabochon shape from natural boulder opal rough that was mined in Australia. It was drilled through near the top so that it can be worn on a necklace. We are offering this genuine boulder opal pendant with an 18 inch black leather necklace at no extra charge. If you would prefer an 16 inch black leather necklace (or a 16 inch black rubber necklace) just send an email to us when ordering. Other than being polished and drilled, this boulder opal gem is completely natural with no dyes, glues, laminations or fillers. The boulder opal has a dark brown clay-ironstone matrix, and within the opal there are areas with intense green and red with some blue flashes as you turn it.

Item: Fine Quality Boulder Opal Pendant, 43.8cts


Code#: opaj193
Weight: this natural boulder opal gem weighs 46.8 carats
Size: this genuine boulder opal pendant is 1.1" long x 0.7" wide (29mm x 20mm)
Location: Mined in Australia
Price: $314.25
This fine quality boulder opal was ground & polished into a free-form cabochon shape from natural boulder opal rough that was mined in Australia. It was drilled through near the top so that it can be worn on a necklace. We are offering this genuine boulder opal pendant with an 18 inch black leather necklace at no extra charge. If you would prefer an 16 inch black leather necklace (or a 16 inch black rubber necklace) just send an email to us when ordering. Other than being polished and drilled, this boulder opal gem is completely natural with no dyes, glues, laminations or fillers. The boulder opal has a dark brown clay-ironstone matrix, and within the opal there are areas with dark green and blue with some bright green and redish-orange flashes as you turn it.

Item: Fine Natural Boulder Opal Pendant, 71.36 cts


Code#: opaj148
Weight: 71.36 carats
Size: this genuine boulder opal pendant is 1.5" long x 0.7" wide (40mm x 18mm)
Location: Mined in Australia
Price: $612.95
This fine quality boulder opal pendant was ground & polished into a free-form cabochon shape from natural boulder opal rough that was mined in Australia. It was drilled through near the top so that it can be worn on a necklace. We are offering this genuine boulder opal pendant with an 18 inch black leather necklace at no extra charge. See also a full-view photo. If you would prefer a 16 inch black leather necklace (or a 16 inch black rubber necklace) just send an email to us when ordering. Other than being polished and drilled, this boulder opal gem is completely natural with no dyes, glues, laminations or fillers. The boulder opal has a dark brown clay-ironstone matrix, and within the opal there are areas with intense beautiful green, red and blue flashes as you turn the piece slightly.


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Last Updated: July 26, 2009
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