Mineralogy Database

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23 samples matching your criteria

  • Sample n°10675 : cleaved white blocks (7 and 11 cm)
    Minerals: MONTEBRASITE
    Year:
    Country: Rwanda
  • Sample n°10677 : various broken black crystals (1-6 cm), with polished section
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°12121 : clear prismatic crystals (2 cm)
    Minerals: EUCLASE
    Year: 1969
    Country: Rwanda
  • Sample n°13193 : block of mixed white phosphates (16 cm)
    Minerals: MONTEBRASITE WARDITE FLUORAPATITE WAVELLITE
    Year: 1974
    Country: Rwanda
  • Sample n°13194 : black block with purple crust (18 cm)
    Minerals: HETEROSITE PHOSPHOSIDERITE
    Year: 1974
    Country: Rwanda
  • Sample n°13195 : black block with purple crust and black powder (13 cm)
    Minerals: HETEROSITE PHOSPHOSIDERITE MANGANESE OXIDES
    Year: 1974
    Country: Rwanda
  • Sample n°13539 : ochre crust on white debris
    Minerals: CHURCHITE-(Y) AMBLYGONITE
    Year:
    Country: Rwanda
  • Sample n°14148 : yellow concentrate (1 mm)
    Minerals: MICROLITE
    Year: 1984
    Country: Rwanda
  • Sample n°13687 : concentrate
    Minerals: PYROCHLORE URANPYROCHLORE ZIRCON
    Year: 1979
    Country: Rwanda
  • Sample n°15927 : debris
    Minerals: MICROLITE
    Year:
    Country: Rwanda
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