Mineralogy Database

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1097 samples matching your criteria

  • Sample n°4592 : small crystals
    Minerals: QUARTZ
    Year: 1954
    Country: Kenya
  • Sample n°4594 : dark prismatic crystal
    Minerals: QUARTZ
    Year: 1954
    Country: Rwanda
  • Sample n°4596 : black, blue and green debris
    Minerals: OPAL CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°4622 : hexagonal crystal on quartz crust
    Minerals: DIOPTASE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°4694 : black compact prismatic crystal on quartz
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Unknown
  • Sample n°4701 : black prismatic crystal (10 cm) in vein quartz
    Minerals: TOURMALINE QUARTZ
    Year: 1954
    Country: Rwanda
  • Sample n°4728 : quartz geode with dioptase, in rock with katangite impregnation
    Minerals: DIOPTASE QUARTZ KATANGITE (plancheite)
    Year: 1954
    Country: Congo (Congo-Brazzaville)
  • Sample n°4764 : crystals in quartz, ochrous material
    Minerals: GALENA QUARTZ SIDERITE
    Year:
    Country: Congo (RDC)
  • Sample n°4791 : white block (3 cm)
    Minerals: SCHEELITE QUARTZ
    Year: 1955
    Country: Congo (RDC)
  • Sample n°4819 : crystals in geode
    Minerals: GALENA QUARTZ
    Year:
    Country: Congo (RDC)
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