Mineralogy Database

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74 samples matching your criteria

  • Sample n°8801 : white debris (4 cm)
    Minerals: OPAL CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Rwanda
  • Sample n°8802 : purple muscovitite (8 cm)
    Minerals: LEPIDOLITE
    Year: 1960
    Country: Rwanda
  • Sample n°8803 : white block (7 cm)
    Minerals: TALC
    Year:
    Country: Rwanda
  • Sample n°8899 : black needles, isolated and in bundles, in quartz block (12 cm)
    Minerals: SCHORL
    Year: 1961
    Country: Rwanda
  • Sample n°8901 : white block (15 cm)
    Minerals: TALC
    Year:
    Country: Rwanda
  • Sample n°8902 : lithic pegmatite (6 cm)
    Minerals: AMBLYGONITE LEPIDOLITE
    Year: 1961
    Country: Rwanda
  • Sample n°8994 : black prismatic crystals (3 cm), including one with twinning
    Minerals: SCHORL
    Year: 1961
    Country: Rwanda
  • Sample n°8995 : cleavage fragments of dark green prismatic crystals (4 cm)
    Minerals: ELBAITE
    Year: 1961
    Country: Rwanda
  • Sample n°8996 : white breccious block (7 cm)
    Minerals: OPAL MICA
    Year:
    Country: Rwanda
  • Sample n°8997 : purple massive blocks (5 and 8 cm)
    Minerals: LEPIDOLITE
    Year:
    Country: Rwanda
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