Mineralogy Database

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331 samples matching your criteria

  • Sample n°10333 : dissemination in micaschist (12 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10335 : mixed phosphates (10 cm)
    Minerals: ALLUAUDITE HETEROSITE PHOSPHOSIDERITE
    Year:
    Country: Rwanda
  • Sample n°10337 : purplish black crystalline mass (11 cm)
    Minerals: WOLFRAMITE
    Year: 1963
    Country: Rwanda
  • Sample n°10338 : red fragment (10 cm)
    Minerals: HEMATITE
    Year: 1963
    Country: Rwanda
  • Sample n°10341 : black crystal (4 cm) in pegmatite
    Minerals: COLUMBITE
    Year:
    Country: Rwanda
  • Sample n°10344 : group of yellowish prismatic crystals (12 cm)
    Minerals: QUARTZ
    Year: 1963
    Country: Rwanda
  • Sample n°10346 : white block (15 cm)
    Minerals: AMBLYGONITE
    Year: 1963
    Country: Rwanda
  • Sample n°10347 : pale green brazilianite crystals on bluish quartz
    Minerals: BRAZILIANITE CHILDRENITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°10350 : block (25 cm) of pyramidal crystals with pale coating
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°10352 : olive-green blocks (10 cm)
    Minerals: ALLUAUDITE
    Year:
    Country: Rwanda
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