God for us to design products, we are the porters of nature!
| Tetradymite | |
Chemical Formula |
Bi2Te2S |
Species |
Sulfides |
Crystal System |
Trigonal |
Mohs Scale |
1-2 |
Specific Gravity |
7.2-7.9 |
Color |
Steel-gray with dull to iridescent tarnish; white in polished section |
Streak |
Steel-gray |
Luster |
Metallic, Dull |
Diaphaneity |
Opaque |
Cleavage |
Perfect on |
Fracture |
Uneven |
| Crystal Habit：Pyramidal prisms, commonly granular, massive to foliated, also bladed | |
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YueGongAnBei 44051102000467
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