Mineralogy Database

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Sample n° 20231

Minerals found in the sample
Mineral Formula Category Subcategory Importance
OPAL SiO2•nH2O tektosilicates - major
Description
Description: greenish compact material
Origin
  • Country: Tunisia
  • Region: Béja Governorate
  • Locality: Djebel Haddada
Specification
  • Donors: de Putter
    Donation year: 2024
  • Sampling year:
    Registration date:
  • Quantity: 2
    Size:
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 2
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no