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Sample n° 6849

Minerals found in the sample
Mineral Formula Category Subcategory Importance
SANIDINE K(AlSi3O8) tektosilicates feldspar major
Description
Description: white phenocrysts (2 cm), isolated or in trachyte matrix
Origin
  • Country: France
  • Region: Puy-de-Dôme
  • Locality: Mont-Dore
Specification
  • Donors: Polinard
    Donation year: 1954
  • Sampling year:
    Registration date:
  • Quantity: 6
    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