Mineralogy Database

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106 samples matching your criteria

  • Sample n°13615 : black specular microcrystalline material on rock substrate
    Minerals: SPHALERITE
    Year:
    Country: South Africa
  • Sample n°14340 : honey-coloured bipyramidal crystals
    Minerals: STURMANITE
    Year: 1985
    Country: South Africa
  • Sample n°14473 : fragment of well-developed crystal
    Minerals: ORTHOCLASE
    Year:
    Country: South Africa
  • Sample n°14475 : dendrites on banded iron-rich sandstone (age +/- 2250 Ma)
    Minerals: PYROLUSITE
    Year:
    Country: South Africa
  • Sample n°15716 : fibrous band, var. crocidolite
    Minerals: RIEBECKITE
    Year: 1966
    Country: South Africa
  • Sample n°15717 : fibrous band, var. crocidolite
    Minerals: RIEBECKITE
    Year: 1966
    Country: South Africa
  • Sample n°15718 : fibrous bands, var. crocidolite
    Minerals: RIEBECKITE
    Year: 1966
    Country: South Africa
  • Sample n°15719 : crocidolite bands and bands of non-fibrous riebeckite, reaction fronts with iron oxides
    Minerals: RIEBECKITE
    Year: 1966
    Country: South Africa
  • Sample n°15720 : thin crocidolite and non-fibrous riebeckite bands
    Minerals: RIEBECKITE
    Year: 1966
    Country: South Africa
  • Sample n°15721 : somewhat irregular fibrous bands (folding), var. crocidolite
    Minerals: RIEBECKITE
    Year: 1966
    Country: South Africa
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