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Sample n° 1994
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
TOURMALINE | - | cyclosilicates | tourmaline | major |
Description
Description:
debris of black prismatic crystals (2 cm) on quartz
Origin
- Country: Congo (RDC)
- Region: Kivu
- Locality: Kalehe, Numbi
Specification
-
Donors: Marchal SGR LéopoldvilleDonation year:
-
Sampling year:Registration date:
-
Quantity: 3Size: 2
-
Dimension code 1>2>3: 3Quality code 1>2>3: 1
-
Holotype: noParatype: noRadioactive: no
-
Thin section: noChemical analysis: noX-Ray spectra: no