Mineralogy Database

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122 samples matching your criteria

  • Sample n°9180 : green zoned block with red patina (15 cm)
    Minerals: TREMOLITE
    Year:
    Country: Rwanda
  • Sample n°9353 : green and white rock, feldspar var. oligoclase
    Minerals: ACTINOLITE ALBITE
    Year:
    Country: Rwanda
  • Sample n°9558 : group of white prismatic crystals (7-12 cm)
    Minerals: QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9560 : group of clear prismatic crystals (10 cm)
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9561 : white block (5 cm)
    Minerals: AMBLYGONITE
    Year:
    Country: Rwanda
  • Sample n°9651 : altered black prismatic crystals in saccharoidal quartz (12 cm)
    Minerals: SCHORL QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9659 : black lamellae on white feldspar (18 cm)
    Minerals: BIOTITE MICROCLINE
    Year:
    Country: Rwanda
  • Sample n°9703 : black tabular crystals
    Minerals: WODGINITE
    Year: 1962
    Country: Rwanda
  • Sample n°9750 : blue apatite in greisen
    Minerals: APATITE
    Year:
    Country: Rwanda
  • Sample n°10315 : debris
    Minerals: BISMUTH
    Year:
    Country: Rwanda
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