Mineralogy Database

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1477 samples matching your criteria

  • Sample n°4688 : plates (5 mm) on black schist
    Minerals: BIOTITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4692 : pink tabular crystal (8 cm) in quartz
    Minerals: SPODUMENE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4757 : pink crystal with cleavage (10 cm)
    Minerals: MICROCLINE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4758 : rounded brown crystals (4 cm)
    Minerals: THORITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4759 : pegmatite with green mica
    Minerals: MUSCOVITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4760 : pink broken crystal (5 cm)
    Minerals: MICROCLINE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4761 : red concentrate from syenite (2 mm)
    Minerals: ZIRCON
    Year:
    Country: Congo (RDC)
  • Sample n°4763 : mixed sulfides in vein quartz
    Minerals: GALENA SPHALERITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4764 : crystals in quartz, ochrous material
    Minerals: GALENA QUARTZ SIDERITE
    Year:
    Country: Congo (RDC)
  • Sample n°4768 : concentrate (8 mm), radioactive
    Minerals: COLUMBITE TANTALITE
    Year: 1954
    Country: Congo (RDC)
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