God for us to design products, we are the porters of nature!
| Psilomelane | |
Chemical Formula |
(Mn2+)(Mn4+)8O16(OH)4 or as (Ba,H2O)2Mn5O10Barium Manganese Oxide Hydroxide |
Species |
Oxides & Hydroxides |
Crystal System |
Monoclinic |
Mohs Scale |
5-6 |
Specific Gravity |
3.7-4.7 |
Color |
black with gray pyrolusite bands |
Streak |
brownish black |
Luster |
Sub-Metallic, Dull |
Diaphaneity |
Opaque |
Cleavage |
none |
Fracture |
conchoidal and uneven |
| Crystal Habit：Botryoidal, Mammillary, Reniform | |
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YueGongAnBei 44051102000467
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