Mineralogy Database

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106 samples matching your criteria

  • Sample n°11734 : purplish black fibrous block, var. crocidolite
    Minerals: RIEBECKITE
    Year: 1968
    Country: South Africa
  • Sample n°12063 : dark green needles with pink centre, var. rubellite (5 cm)
    Minerals: ELBAITE
    Year:
    Country: South Africa
  • Sample n°12066 : bluish black fibrous material (25 cm), var. crocidolite
    Minerals: RIEBECKITE ELBAITE
    Year: 1969
    Country: South Africa
  • Sample n°12792 : block with black manganese oxides and brown opal
    Minerals: MANGANESE OXIDES OPAL
    Year: 1972
    Country: South Africa
  • Sample n°12793 : massive block with black needles
    Minerals: PYROLUSITE
    Year: 1972
    Country: South Africa
  • Sample n°12794 : pink tabular crystals on rock substrate
    Minerals: EPHESITE
    Year: 1972
    Country: South Africa
  • Sample n°12795 : mixed black ores
    Minerals: HAUSMANNITE CRYPTOMELANE
    Year: 1972
    Country: South Africa
  • Sample n°12805 : rock with pink mica (lepidolite), graphic intergrowth of black and pink material
    Minerals: LEPIDOLITE SPODUMENE TOURMALINE
    Year: 1972
    Country: South Africa
  • Sample n°12806 : vitreous anthracite-black material
    Minerals: GADOLINITE-(Ce)
    Year: 1972
    Country: South Africa
  • Sample n°12809 : rock with sillimanite
    Minerals: SILLIMANITE
    Year: 1972
    Country: South Africa