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Sample n° 13446

Minerals found in the sample
Mineral Formula Category Subcategory Importance
PLAGIOCLASE (Na,Ca)(Al1+xSi3-x)O8 tektosilicates feldspar major
Description
Description: black veins in green rock, var. labradorite
Origin
  • Country: Madagascar
  • Region: Fianarantsoa Province
  • Locality: Betroka
Specification
  • Donors: Randrianaivoson
    Donation year: 1976
  • 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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