Mineralogy Database

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Sample n° 11281

Minerals found in the sample
Mineral Formula Category Subcategory Importance
PALYGORSKITE (Mg,Al)2Si4O10(OH)•4H2O phyllosilicates - major
MONTMORILLONITE (Na,Ca)0,3(Al,Mg)2Si4O10(OH)2•nH2O phyllosilicates smectite minor
Description
Description: clayey mass (mountain leather)
Origin
  • Country: Congo (RDC)
  • Region: Kinshasa
  • Locality: Ile des Mimosas
Specification
  • Donors: Antun
    Donation year: 1966
  • Sampling year:
    Registration date:
  • Quantity: 5
    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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