Gem Resources
PO Box 62006
Minneapolis, MN 55426
Phone: (612) 664-0252
Toll-Free: (800) 588-8515
E-Mail:
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Topaz - White (Clear)
White (Clear) Topaz Facet
Refraction Index: 1.610 - 1.620
Hardness: 8
Specific Gravity: 3.53 to 3.56
Dispersion: 0.014
Treatment: None
Metal Clay, safe to fire.
Test results; Silver 1200F-1HR-OK, Silver 1475F-1HR-OK, Silver 1650F-2HR OK, Bronze 1525F-2HR-OK, Copper 1778F-30min-OK
Round Facet
2 mm |
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2.5 mm |
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3 mm |
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4 mm |
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5 mm |
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6 mm |
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7 mm |
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8 mm |
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10 mm |
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12 mm |
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Oval Facet
5 x 3 mm |
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6 x 4 mm |
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7 x 5 mm |
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8 x 6 mm |
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9 x 7 mm |
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10 x 8 mm |
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12 x 10 mm |
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Emerald Cut Facet
7 x 5 mm |
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8 x 6 mm |
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10 x 8 mm |
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12 x 10 mm |
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14 x 10 mm |
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Trillion Facet
5 x 5 mm |
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6 x 6 mm |
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7 x 7 mm |
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8 x 8 mm |
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10 x 10 mm |
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12 x 12 mm |
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Square - Princess Facet
3 x 3 mm |
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4 x 4 mm |
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5 x 5 mm |
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6 x 6 mm |
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Pear Shaped White Topaz