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Sample n° 19579
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
CRYPTOMELANE | K(Mn4+7 Mn3+)O16 | oxides and hydroxides | - | major |
Description
Description:
thick crust
Origin
- Country: Rwanda
- Region: Ruhengeri
- Locality: Mulimbo
Specification
-
Donors: WaleffeDonation year:
-
Sampling year:Registration date:
-
Quantity: 1Size:
-
Dimension code 1>2>3: 1Quality code 1>2>3: 1
-
Holotype: noParatype: noRadioactive: no
-
Thin section: noChemical analysis: noX-Ray spectra: no