God for us to design products, we are the porters of nature!
| Ludwigite | |
Chemical Formula |
Mg2Fe3+BO5 |
Species |
Borates |
Crystal System |
Orthorhombic |
Mohs Scale |
5 |
Specific Gravity |
3.6-3.8 |
Color |
Pitch-black, olive-black |
Streak |
greenish black |
Luster |
Silky |
Refractive Index |
n = 1.830 - 1.850 n = 1.830 - 1.850 n = 1.940 - 2.020 |
Diaphaneity |
Opaque |
Cleavage |
None Observed |
Fracture |
Fibrous |
| Crystal Habit：Massive - fibrous commonly in fanlike to felted aggregates | |
| Geological Setting：In contact metamorphic deposits as high-temperature phases. | |
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