Mineralogy Database

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85 samples matching your criteria

  • Sample n°10669 : grey cryptocrystalline fragment with white crust
    Minerals: SPODUMENE FELDSPAR
    Year:
    Country: Rwanda
  • Sample n°10671 : white block (15 cm)
    Minerals: AMBLYGONITE
    Year:
    Country: Rwanda
  • Sample n°10672 : white cleavage fragments (15 cm)
    Minerals: BERYL
    Year:
    Country: Rwanda
  • Sample n°10673 : white block and small white crystals
    Minerals: MONTEBRASITE ALBITE
    Year:
    Country: Rwanda
  • Sample n°10674 : pale green and white massive block (15 cm)
    Minerals: MUSCOVITE
    Year: 1964
    Country: Rwanda
  • Sample n°11233 : grey translucent fragment with white crust (10 cm)
    Minerals: ALBITE EUCRYPTITE
    Year:
    Country: Rwanda
  • Sample n°12494 : plate of grey pyramidal crystals (5 cm)
    Minerals: QUARTZ
    Year: 1970
    Country: Rwanda
  • Sample n°12495 : brown block with conchoidal fractures (8 cm)
    Minerals: CHALCEDONY (quartz)
    Year: 1970
    Country: Rwanda
  • Sample n°9266 : large block with prominent cleavage
    Minerals: ALBITE MICROCLINE
    Year: 1962
    Country: Rwanda
  • Sample n°17870 : large block
    Minerals: AMBLYGONITE
    Year: 2017
    Country: Rwanda
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