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Sample n° 13195
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
HETEROSITE | Fe3+(PO4) | phosphates | - | major |
MANGANESE OXIDES | Mn-O | oxides and hydroxides | - | minor |
PHOSPHOSIDERITE | Fe3+(PO4)2H2O | phosphates | - | minor |
Description
Description:
black block with purple crust and black powder (13 cm)
Origin
- Country: Rwanda
- Region: Gitarama
- Locality: Mwaka
Specification
-
Donors: PetricecDonation year: 1974
-
Sampling year:Registration date:
-
Quantity: 1Size: 2
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Dimension code 1>2>3: 3Quality code 1>2>3: 1
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Holotype: noParatype: noRadioactive: no
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Thin section: noChemical analysis: noX-Ray spectra: no