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Sample n° 11705

Minerals found in the sample
Mineral Formula Category Subcategory Importance
AMETHYST (quartz) SiO2 tektosilicates - major
Description
Description: fragments (10 cm) of zoned purple and white crust
Origin
  • Country: Rwanda
  • Region: Gitarama
  • Locality: Muyunzwe
Specification
  • Donors: Gerards
    Donation year: 1967
  • Sampling year:
    Registration date:
  • Quantity: 4
    Size: 1
  • Dimension code 1>2>3: 2
    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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