Mineralogy Database

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1097 samples matching your criteria

  • Sample n°386 : massive tourmaline within quartz
    Minerals: TOURMALINE QUARTZ
    Year: 1913
    Country: Congo (RDC)
  • Sample n°406 : concretion within geode
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year: 1910
    Country: Congo (RDC)
  • Sample n°423 : white prismatic crystals, pearl-like lustre
    Minerals: DIOPSIDE QUARTZ
    Year: 1911
    Country: Congo (RDC)
  • Sample n°425 : coarse-grained tourmalinite
    Minerals: SCHORL QUARTZ
    Year: 1911
    Country: Congo (RDC)
  • Sample n°426 : coatings on quartz
    Minerals: HEMATITE QUARTZ
    Year: 1911
    Country: Congo (RDC)
  • Sample n°429 : traces in bluish quartz
    Minerals: GOLD QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°431 : massive block and crystals (3 mm)
    Minerals: DIOPTASE QUARTZ
    Year:
    Country: Congo (Congo-Brazzaville)
  • Sample n°434 : plates (0.5 cm) in rounded yellowish quartz
    Minerals: GOLD QUARTZ
    Year: 1920
    Country: Congo (RDC)
  • Sample n°437 : clear prismatic crystals (5 cm)
    Minerals: QUARTZ
    Year: 1920
    Country: Congo (RDC)
  • Sample n°456 : spots
    Minerals: CHALCOPYRITE QUARTZ
    Year: 1922
    Country: Congo (RDC)
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