Mineralogy Database

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4831 samples matching your criteria

  • Sample n°421 : cleaved white crystals
    Minerals: ORTHOCLASE
    Year: 1911
    Country: Congo (RDC)
  • Sample n°423 : white prismatic crystals, pearl-like lustre
    Minerals: DIOPSIDE QUARTZ
    Year: 1911
    Country: Congo (RDC)
  • Sample n°424 : fragments of prismatic crystals (3 cm)
    Minerals: SCHORL
    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°427 : white cleaved crystals
    Minerals: MICROCLINE
    Year: 1911
    Country: Congo (RDC)
  • Sample n°428 : massive
    Minerals: HEMATITE
    Year: 1911
    Country: Congo (RDC)
  • Sample n°445 : rust-coloured rounded crystals
    Minerals: CASSITERITE
    Year: 1922
    Country: Congo (RDC)
  • Sample n°446 : concentrate
    Minerals: CASSITERITE
    Year: 1922
    Country: Congo (RDC)
  • Sample n°447 : veinlets in red sandstone
    Minerals: HEMATITE
    Year: 1922
    Country: Congo (RDC)
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