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Sample n° 13828

Minerals found in the sample
Mineral Formula Category Subcategory Importance
BEUDANTITE PbFe3+3(AsO4)(SO4)(OH)6 arsenates - major
KOETTIGITE Zn3(AsO4)2•8H2O arsenates - major
ARSENOPYRITE FeAsS sulfides and sulfosalts - minor
PHARMACOSIDERITE KFe3+4(AsO4)3(OH)4•6-7H2O arsenates - minor
SIDERITE Fe(CO3) carbonates - minor
WHITMOREITE Fe2+Fe3+2(PO4)2(OH)2•4H2O phosphates - minor
Description
Description: bundle of black fibres (4 cm) on block with elongated crystals
Origin
  • Country: Mexico
  • Region: Durango
  • Locality: Mapimi
Specification
  • Donors: Genot
    Donation year: 1980
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 2
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: yes
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