Mineralogy Database

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1547 samples matching your criteria

  • Sample n°10624 : black tablets (5 cm)
    Minerals: COLUMBITE
    Year: 1965
    Country: Rwanda
  • Sample n°10627 : dark green crystals (1-7 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10628 : yellow transparent twinned crystals
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°10630 : brown anhedral crystals in yellow micaceous quartz, block (7 cm) and larger piece
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10631 : black tablets (8 cm) in vein quartz
    Minerals: COLUMBITE
    Year:
    Country: Rwanda
  • Sample n°10632 : white and green block (15 cm)
    Minerals: MONTEBRASITE
    Year:
    Country: Rwanda
  • Sample n°10634 : stony prismatic crystals (2-3 cm)
    Minerals: BERYL
    Year:
    Country: Rwanda
  • Sample n°10635 : black plates (1-6 cm)
    Minerals: COLUMBITE
    Year:
    Country: Rwanda
  • Sample n°10636 : mixed phosphates (30 cm)
    Minerals: HETEROSITE PURPURITE
    Year:
    Country: Rwanda
  • Sample n°10637 : mixed phosphates (15 cm)
    Minerals: HETEROSITE ALLUAUDITE PHOSPHOSIDERITE
    Year:
    Country: Rwanda
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