Mineralogy Database

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1477 samples matching your criteria

  • Sample n°6422 : mixed clay blocks
    Minerals: NONTRONITE MONTMORILLONITE
    Year:
    Country: Congo (RDC)
  • Sample n°6503 : black octahedral crystals (5 mm) in quartzite
    Minerals: MAGNETITE
    Year: 1948
    Country: Congo (RDC)
  • Sample n°6504 : dull stalactites (10 cm)
    Minerals: CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°6508 : black needles (cm) in quartz
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6520 : massive olive-green epidote in granite
    Minerals: EPIDOTE
    Year:
    Country: Congo (RDC)
  • Sample n°6521 : rock with olive-green impregnation
    Minerals: EPIDOTE
    Year:
    Country: Congo (RDC)
  • Sample n°6556 : tabular brown staurolite crystals (6 cm), brown garnet, in graphitic schist
    Minerals: GARNET STAUROLITE
    Year:
    Country: Congo (RDC)
  • Sample n°6557.1 : debris in quartz
    Minerals: PYRITE QUARTZ
    Year: 1952
    Country: Congo (RDC)
  • Sample n°6561 : scoracious block with grey bismutite and brown tourmaline
    Minerals: BISMUTITE TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6563 : black coating and olive-green crust in geodic vein quartz
    Minerals: CASSITERITE SCORODITE QUARTZ
    Year:
    Country: Congo (RDC)
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