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| Ametrine Facts | | Author: , 11/29/2004 7:20:13 PM |
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| | Home > GemStones > Ametrine > General > Facts | 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. |
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