Mineralogy Database

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Sample n° 11734

Minerals found in the sample
Mineral Formula Category Subcategory Importance
RIEBECKITE [ ]Na2(Fe2+3Fe3+2)Si8O22(OH)2 inosilicates amphiboles major
Description
Description: purplish black fibrous block, var. crocidolite
Origin
  • Country: South Africa
  • Region: Northern Cape
  • Locality: Hotazel
Specification
  • Donors: Coussement
    Donation year: 1968
  • 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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