The Lab Grown Stone - Lab Grown Emerald Columbian color CHEMICAL COMPOSITION :- BeALSiO (Beryllium Aluminiumsilicate ). Similar to natural emerald. SPECIFIC GRAVITY :- 2.66-2.69 REFRACTIVE INDEX :- 1.561-1.571 HARDNESS: 7-7.5 | Facebook
Gems & Minerals Chemical Composition | Geology In
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Solid Mineral of the Week — Emerald | by Mineral Development Agency, OYSG | Medium