Topsky Blue Topaz | Calibrated Sizes

Chemical Composition: Fluorosilicate of aluminium with hydroxyl, Al 2 (F,OH) 2 SiO 4
Refractive Index: 1.61 – 1.64
Specific Gravity: 3.5 – 3.6
Crystal System: Orthorhombic
Moh's Hardness: 8
 
 
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