Mineralogy Database

Search |  About the mineralogy database |  Contact

90 samples matching your criteria

  • Sample n°5313 : green crystalline mass in sandstone core sample
    Minerals: DIOPTASE CALCITE KATANGITE (plancheite)
    Year:
    Country: Congo (RDC)
  • Sample n°5346 : sulfides in calcite vein in sandstone core sample
    Minerals: GALENA SPHALERITE CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°5349 : scalenohedral calcite crystals (2 cm) in geode in breccious sandstone sample
    Minerals: CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°5577 : small olive green conichalcite crystals on bright calcite in core sample (sandstone)
    Minerals: CONICHALCITE CALCITE
    Year:
    Country: Congo (RDC)
  • Minerals: CUPRITE MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°5717 : star-shaped black manganese oxide aggregates, blue katangite coating, in core section (sandstone)
    Minerals: KATANGITE (plancheite) MANGANESE OXIDES
    Year:
    Country: Congo (RDC)
  • Sample n°5795 : grey calcite crystals (2 cm), yellow mottramite powder, in core section (sandstone)
    Minerals: CALCITE MOTTRAMITE
    Year:
    Country: Congo (RDC)
  • Sample n°5799 : small crystals in geode, in core section (sandstone)
    Minerals: CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°5800 : grey crystals (4 mm) in geode, in core section (sandstone)
    Minerals: CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°5830 : white chevretite crystals (5 mm), yellow mottramite crust
    Minerals: CHERVETITE MOTTRAMITE
    Year:
    Country: Congo (RDC)