Ametrine Facts
Ametrine Facts
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Ametrine Facts
| Chemical Composition | Ametrine is macrocrystalline variety of quartz. The chemical composition is Silicon Dioxide having the formula SiO2. |
| Hardness | 7 ( Mohs) . |
| Cleavage | None |
| Refractive Index | 1.544 – 1.553 |
| Specific Gravity | 2.63-2.65 |
| Luster | Vitreous |
| Colours | Always contains any two colours viz. purple, violet, yellow |
| Crystal System | Hexagonal crystal system. |
| Dispersion | Medium (.013) |
| Heat sensitivity | Very less. |
| Pleochroism | Weak to distinct. |
| Density | 2.66 |
| Enhancement | Ametrine is not enhanced. |
| Source | Natural occurrence at Bolivia and sometimes at Brazil. |