Mineralogy Database

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5 samples matching your criteria

  • Sample n°14475 : dendrites on banded iron-rich sandstone (age +/- 2250 Ma)
    Minerals: PYROLUSITE
    Year:
    Country: South Africa
  • Sample n°17047 : thick deformed band, var. crocidolite
    Minerals: RIEBECKITE
    Year:
    Country: South Africa
  • Sample n°17048 : thick layer parallel to banding, var. crocidolite
    Minerals: RIEBECKITE
    Year:
    Country: South Africa
  • Sample n°17050 : thick black band of coherent long fibres, var. crocidolite
    Minerals: RIEBECKITE
    Year:
    Country: South Africa
  • Sample n°18477 : blue fibrous vein, var. crocidolite
    Minerals: RIEBECKITE
    Year: 2017
    Country: South Africa
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