God for us to design products, we are the porters of nature!
| Franklinite | |
Chemical Formula |
ZnFe2O4 |
Species |
Oxides & Hydroxides |
Crystal System |
Isometric |
Mohs Scale |
5-6 |
Specific Gravity |
5.07-5.22 |
Color |
black |
Streak |
reddish brown to black |
Luster |
Metallic, Sub-Metallic |
Refractive Index |
n = 2.36(2) |
Diaphaneity |
Opaque |
Cleavage |
None Observed |
Fracture |
Irregular/Uneven, Conchoidal |
| Crystal Habit：Otahedral crystals common; dodecahedral less common; cubic rare. | |
| Geological Setting：High temperature metamorphism of Fe, Zn, Mn-rich marine carbonates. | |
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