Mineralogy Database

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948 samples matching your criteria

  • Sample n°8869 : fragment (20 cm) with pale green radial tremolite aggregate (3 cm) and green diopside crystals
    Minerals: DIOPSIDE TREMOLITE
    Year:
    Country: Rwanda
  • Sample n°8870 : white powdery blocks (15 cm), as alteration product of tremolite
    Minerals: KAOLINITE
    Year: 1970
    Country: Rwanda
  • Sample n°8874 : emerald-like blocks (6 cm)
    Minerals: BERYL
    Year:
    Country: Rwanda
  • Sample n°8875 : white block (12 cm) with brown spots
    Minerals: GOETHITE TALC
    Year:
    Country: Rwanda
  • Sample n°8876 : pale green muscovitite (12 cm)
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°8877 : bright white fragment (8 cm)
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°8878 : white pegmatite (12 cm)
    Minerals: ALBITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°8879 : white block (7 cm)
    Minerals: MONTEBRASITE MUSCOVITE WAVELLITE MONTMORILLONITE
    Year:
    Country: Rwanda
  • Sample n°8880 : altered cubic crystals (1 cm) in arkose
    Minerals: PYRITE
    Year:
    Country: Rwanda
  • Sample n°8881 : white block (15 cm) with small white wavellite needles
    Minerals: MONTEBRASITE WAVELLITE
    Year:
    Country: Rwanda