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Sample n° 10832

Minerals found in the sample
Mineral Formula Category Subcategory Importance
OPAL SiO2•nH2O tektosilicates - major
Description
Description: enclosed in breccia
Origin
  • Country: South Africa
  • Region: Free State
  • Locality: Ingwavuma
Specification
  • Donors: Steenstra
    Donation year: 1961
  • Sampling year:
    Registration date:
  • Quantity: 1
    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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