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Sample n° 4636
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
STAUROLITE | Fe2+2Al9Si4O23(OH) | nesosilicates | - | major |
Description
Description:
twinned prismatic crystals (4 cm)
Origin
- Country: Congo (RDC)
- Region: Maniema
- Locality: Lubutu, Tshamaka
Specification
-
Donors: PolinardDonation year: 1954
-
Sampling year:Registration date:
-
Quantity: 2Size: 2
-
Dimension code 1>2>3: 3Quality code 1>2>3: 1
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Holotype: noParatype: noRadioactive: no
-
Thin section: noChemical analysis: noX-Ray spectra: no