Mineralogy Database

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Sample n° 10331

Minerals found in the sample
Mineral Formula Category Subcategory Importance
TOPAZ Al2SiO4F2 nesosilicates - major
Description
Description: colourless concentrate (5 mm)
Origin
  • Country: Rwanda
  • Region: Gisenyi
  • Locality: Kabaya, Gishye river
Specification
  • Donors: Bertossa
    Donation year: 1963
  • Sampling year:
    Registration date:
  • Quantity: X
    Size: 3
  • 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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