Mineralogy Database

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71 samples matching your criteria

  • Sample n°9609 : black crystals in friable albite
    Minerals: CASSITERITE ALBITE
    Year:
    Country: Rwanda
  • Sample n°9614 : blue crystals in albitic rock (12 cm)
    Minerals: APATITE
    Year: 1970
    Country: Rwanda
  • Sample n°9617 : white block (18 cm)
    Minerals: MICROCLINE
    Year:
    Country: Rwanda
  • Sample n°9622 : blue granular glaucophanite (13 cm)
    Minerals: GLAUCOPHANE
    Year:
    Country: Rwanda
  • Sample n°9631 : mixed micaceous block (7 cm)
    Minerals: BIOTITE MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°9736 : emerald-like material (3 cm) in pegmatite
    Minerals: BERYL
    Year:
    Country: Rwanda
  • Sample n°9738 : stony prismtic crystals in pegmatte (30 cm), isolated prismatic crystal (5 cm)
    Minerals: BERYL ALBITE
    Year:
    Country: Rwanda
  • Sample n°10250 : crystal (1 cm) in grey schist, var. chiastolite
    Minerals: ANDALUSITE
    Year:
    Country: Rwanda
  • Sample n°10256 : debris of crystals
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10292 : brown needles (1-2 cm) in green muscovite-rich blocks (7-15 cm)
    Minerals: MUSCOVITE TOURMALINE
    Year:
    Country: Rwanda
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