Mineralogy Database

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1097 samples matching your criteria

  • Sample n°247 : group of prismatic crystals
    Minerals: QUARTZ
    Year: 1910
    Country: Congo (RDC)
  • Sample n°248 : block with radial patterns
    Minerals: QUARTZ
    Year: 1910
    Country: Congo (RDC)
  • Sample n°267 : fragments with small quartz crystals, accessory anhydrite
    Minerals: QUARTZ ANHYDRITE
    Year: 1910
    Country: Congo (RDC)
  • Sample n°4211 : diamond-bearing concentrate
    Minerals: DIAMOND QUARTZ GARNET
    Year: 1954
    Country: Congo (RDC)
  • Sample n°16145 : quartz with abundant thick coarse-crystalline muscovite veins
    Minerals: MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°16212 : quartz veins with abundant large tourmaline crystals
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°16219 : large cubic crystals, partly altered to iron oxides, in quartz mass
    Minerals: PYRITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°16220 : moulds of large euhedral calcite crystals in quartz vein
    Minerals: CALCITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°16253 : pale blue elongated crystals in brownish groundmass
    Minerals: KYANITE QUARTZ
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16254 : scattered gold in quartz
    Minerals: GOLD QUARTZ
    Year: 2009
    Country: Congo (RDC)
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