Mineralogy Database

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953 samples matching your criteria

  • Sample n°8901 : white block (15 cm)
    Minerals: TALC
    Year:
    Country: Rwanda
  • Sample n°8902 : lithic pegmatite (6 cm)
    Minerals: AMBLYGONITE LEPIDOLITE
    Year: 1961
    Country: Rwanda
  • Sample n°8907 : white block (25 cm) with wardite as red points, brown childrenite veins
    Minerals: MONTEBRASITE CHILDRENITE QUARTZ WARDITE
    Year:
    Country: Rwanda
  • Sample n°8912 : grey cryptocrystalline block (10 cm) with plate-shaped crystals along surface, var. phengite
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°8913 : striated stony prismatic crystals (4-6 cm)
    Minerals: BERYL
    Year:
    Country: Rwanda
  • Sample n°8914 : micaceous pegmatite (7 cm)
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°8917 : stony prismatic crystal (10 cm)
    Minerals: BERYL
    Year:
    Country: Rwanda
  • Sample n°8918 : black tabular crystals (2 cm) in quartz
    Minerals: COLUMBITE TANTALITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°8920 : white block (10 cm)
    Minerals: MONTEBRASITE
    Year:
    Country: Rwanda
  • Sample n°8921 : layered block (14 cm) with beds of black needles
    Minerals: DRAVITE MUSCOVITE
    Year:
    Country: Rwanda
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