Mineralogy Database

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294 samples matching your criteria

  • Sample n°8520 : altered plate-shaped crystals
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°8543 : tabular crystal (30 cm)
    Minerals: MUSCOVITE
    Year:
    Country: Congo (RDC)
  • Sample n°8643 : stacked plates (10 cm)
    Minerals: MUSCOVITE
    Year: 1959
    Country: Congo (RDC)
  • Sample n°8748 : large crystals (12 cm)
    Minerals: MUSCOVITE BERYL
    Year: 1960
    Country: Congo (RDC)
  • Sample n°8776 : uraninite mass with pervasive alteration to secondary minerals
    Minerals: META-AUTUNITE ALBITE MUSCOVITE
    Year: 1960
    Country: Rwanda
  • Sample n°8785 : bluish fragment with bright black surface (5 cm)
    Minerals: APATITE MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°8787 : zoned block with white montebrasite and green muscovite
    Minerals: MONTEBRASITE MUSCOVITE
    Year: 1960
    Country: Rwanda
  • Sample n°8789 : white fibrous micaceous blocks (4 cm)
    Minerals: ALBITE MUSCOVITE
    Year: 1960
    Country: Rwanda
  • Sample n°8790 : white micaceous block (7 cm)
    Minerals: MUSCOVITE
    Year: 1960
    Country: Rwanda
  • Sample n°8796 : grey-blue granular rock (7 cm)
    Minerals: FLUORAPATITE MUSCOVITE
    Year: 1960
    Country: Rwanda
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