God for us to design products, we are the porters of nature!
| Amethyst | |
Chemical Formula |
SiO2 |
Species |
Silicates |
Mohs Scale |
7 |
Specific Gravity |
2.65 |
Color |
Purple, Purple |
Streak |
White |
Luster |
Vitreous |
Refractive Index |
nω = 1.543–1.553 nε = 1.552–1.554 |
Diaphaneity |
Transparent to translucent |
Cleavage |
None |
Fracture |
Conchoidal |
| Crystal Habit：6-sided prism ending in 6-sided pyramid (typical) | |
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YueGongAnBei 44051102000467
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