Mineralogy Database

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199 samples matching your criteria

  • Sample n°3653 : ferruginous block (9 cm)
    Minerals: BISMUTH
    Year:
    Country: Congo (RDC)
  • Sample n°3654 : specular crystals on quartz
    Minerals: HEMATITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3655 : white crust and nodules on basalt
    Minerals: MESOLITE
    Year:
    Country: Congo (RDC)
  • Sample n°3658 : pink massive block with cleavage
    Minerals: MICROCLINE
    Year:
    Country: Congo (RDC)
  • Sample n°3659 : pink block with graphic texture, rare mica
    Minerals: MICROCLINE
    Year:
    Country: Congo (RDC)
  • Sample n°3660 : altered black and pale green plate-shaped crystals
    Minerals: SIDEROPHYLLITE MUSCOVITE
    Year:
    Country: Congo (RDC)
  • Sample n°4408 : blue and red crystals (1 cm), var. sapphire, var. ruby
    Minerals: CORUNDUM
    Year: 1968
    Country: Congo (RDC)
  • Sample n°5874 : plate-shaped crystals (1-5 cm)
    Minerals: MUSCOVITE
    Year: 1956
    Country: Rwanda
  • Sample n°5875 : pink blocks with prominent cleavage (4 cm)
    Minerals: FELDSPAR
    Year: 1956
    Country: Rwanda
  • Sample n°5906 : pink concentrate (5-10 mm)
    Minerals: ZIRCON
    Year: 1960
    Country: Burundi
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