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Product Description | Product Description | |
Product Name | Biron® Lab-grown Emerald | |
Gemstone Type | Lab-grown | |
Species | Beryl | |
Mohs' hardness | 7.5-8 | |
Density | 2.67-2.78 | |
Crystal System | Hexagonal | |
Chemical Composition | Al2Be3Si6O18 aluminum berylium silicate | |
Refractive Index | 1.565-1.602 | |
Double Refraction | -0.006 | |
Dispersion | 0.014(0.009-0.013) |