Petra Asia Ltd
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Blue Topaz
Brand:
Petra
Colour:
Sky, Swiss, London
Main Stone:
Topaz
Description
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Description
- Chemical Classification: silicate
- Luster: vitreous
- Diaphaneity: translucent to transparent
- Cleavage: perfect basal cleavage
- Mohs Hardness: 8
- Specific Gravity: 3.4-3.6
- Chemical Composition: Al2SiO4 (F,OH)2
- Crystal System: orthorhombic
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Petra Asia Ltd
Hong Kong
Average Response Time
3 - 7 days
Supplier info last updated: 10 Jun 2020
Advertise since: 1 Dec 2016
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