God for us to design products, we are the porters of nature!
| Hornblende | |
Chemical Formula |
Ca2(Mg, Fe, Al)5 (Al, Si)8O22(OH)2 |
Species |
Silicates |
Crystal System |
Monoclinic |
Mohs Scale |
6 |
Specific Gravity |
2.9 |
Color |
Black/dark green |
Streak |
Pale gray, gray-white[1][2] |
Luster |
Vitreous to dull |
Cleavage |
Imperfect at 56 and 124 degrees |
Fracture |
Uneven |
| Crystal Habit：Hexagonal/granular | |
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