Mineralogy Database

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1547 samples matching your criteria

  • Sample n°8938 : grey pyramidal crystals (15 cm)
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°8983.1 : core sections (8 cm)
    Minerals: MONTGOMERYITE ALBITE ALLUAUDITE APATITE
    Year:
    Country: Rwanda
  • Sample n°8983.2 : core section (4 cm)
    Minerals: MUSCOVITE
    Year:
    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
  • Sample n°9059 : various crystals (1-5 cm)
    Minerals: CASSITERITE
    Year: 1962
    Country: Rwanda
  • Sample n°9059.2 : plates (1-7 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1962
    Country: Rwanda
  • Sample n°9060 : coating with columnar and reticular patterns on muscovitite
    Minerals: CASSITERITE MUSCOVITE
    Year: 1962
    Country: Rwanda
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