Mineralogy Database

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Sample n° 12191

Minerals found in the sample
Mineral Formula Category Subcategory Importance
BIOTITE K(Fe2+,Mg)3(AlSi3O10)(OH)2 phyllosilicates mica major
MAGNETOPLUMBITE PbFe3+12O19 oxides and hydroxides - major
Description
Description: micaceous brown blocks (5 cm)
Origin
  • Country: Sweden
  • Region: Langban
  • Locality:
Specification
  • Donors: Royal Ontario Museum
    Donation year: 1970
  • 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: yes