Mineralogy Database

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Sample n° 10866

Minerals found in the sample
Mineral Formula Category Subcategory Importance
VERMICULITE Mg0,7(Mg,Fe,Al)6(Si,Al)8O20(OH)4•8H2O phyllosilicates mica major
Description
Description: altered plate-shaped crystals
Origin
  • Country: South Africa
  • Region: Mpumalanga
  • Locality: Roosenekal
Specification
  • Donors: Steenstra
    Donation year: 1966
  • Sampling year:
    Registration date:
  • Quantity: 2
    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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