Swiss Topaz
Moh’s Scale Hardness: 8
Specific Gravity: 3.4-3.6
Refractive Index: 1.606-1.638
Treatment: Gamma ray and heat
Stability/Care: Excellent / Normal
Origin: Brazil
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Swiss Blue Topaz Rounds
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Swiss Blue Topaz Pears
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Swiss Blue Topaz Ovals
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Swiss Blue Topaz Trillions
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Swiss Blue Topaz Marquise
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