Mineralogy Database

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Sample n° 11061

Minerals found in the sample
Mineral Formula Category Subcategory Importance
PLAGIOCLASE (Na,Ca)(Al1+xSi3-x)O8 tektosilicates feldspar major
Description
Description: white block, prominent cleavage
Origin
  • Country: Namibia
  • Region: Karas Region
  • Locality: Tantalite Valley
Specification
  • Donors: Geological Survey of South Africa
    Donation year: 1966
  • Sampling year:
    Registration date:
  • Quantity:
    Size:
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 3
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no