Mineralogy Database

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Sample n° 11803

Minerals found in the sample
Mineral Formula Category Subcategory Importance
OLIVINE (Mg,Fe2+)2SiO4 nesosilicates olivine major
MAGNETITE Fe2+Fe3+2O4 oxides and hydroxides spinel minor
Description
Description: green granular geode in basalt block (15 cm)
Origin
  • Country: Czechoslovakia
  • Region: Slap
  • Locality:
Specification
  • Donors: Steenstra
    Donation year: 1968
  • 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