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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 Léopoldville
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity: 3
    Size: 2
  • Dimension code 1>2>3: 3
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no
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