Mineralogy Database

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Sample n° 12892

Minerals found in the sample
Mineral Formula Category Subcategory Importance
RIEBECKITE [ ]Na2(Fe2+3Fe3+2)Si8O22(OH)2 inosilicates amphiboles major
Description
Description: black tabular crystals in quartz
Origin
  • Country: Nigeria
  • Region: Jos Plateau
  • Locality: Kigom Hills, Amalgated Tin Mines
Specification
  • Donors: Cuypers
    Donation year: 1972
  • 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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