Mineralogy Database

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272 samples matching your criteria

  • Sample n°8840 : brown-pink tantalaite-(Mn) fragments (1-5 cm), and partially sorted coarse concentrates
    Minerals: TANTALITE-(Mn) COLUMBITE TANTALITE ZIRCON
    Year: 1961
    Country: Rwanda
  • Sample n°8841 : pink pegmatite
    Minerals: ALBITE MUSCOVITE
    Year: 1961
    Country: Rwanda
  • Sample n°8842 : green fibrous amphibolite
    Minerals: ACTINOLITE
    Year:
    Country: Rwanda
  • Sample n°8843 : white and blue block (12 cm)
    Minerals: MONTEBRASITE VARISCITE WAVELLITE BRAZILIANITE MITRIDATITE QUARTZ SCORZALITE
    Year:
    Country: Rwanda
  • Sample n°8844 : blue block (15 cm)
    Minerals: SCORZALITE MONTEBRASITE PYRITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°8845 : mixed phosphates, as cement of quartz
    Minerals: HETEROSITE PHOSPHOSIDERITE
    Year:
    Country: Rwanda
  • Sample n°8846 : mixed phosphates
    Minerals: FERRISICKLERITE HUREAULITE PHOSPHOSIDERITE
    Year:
    Country: Rwanda
  • Sample n°8847 : breccia of green alluadite crystals, cemented by brown cacoxznite-bearing veins
    Minerals: ALLUAUDITE CACOXENITE
    Year:
    Country: Rwanda
  • Sample n°8849 : mixed phosphates (13 cm)
    Minerals: HETEROSITE ALLUAUDITE
    Year:
    Country: Rwanda
  • Sample n°8850 : thick purple crust on grey mixed phosphate
    Minerals: PHOSPHOSIDERITE
    Year:
    Country: Rwanda
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