Mineralogy Database

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141 samples matching your criteria

  • Sample n°1093 : bundles of black prismatic crystals in tourmalinite
    Minerals: SCHORL
    Year: 1938
    Country: Rwanda
  • Sample n°1094 : clear crystals (2-5 cm)
    Minerals: QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1095 : debris of black crystals (tourmaline), whie metallic material (bismuth)
    Minerals: TOURMALINE BISMUTH
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1096 : white crystals (5 mm) in pegmatite
    Minerals: APATITE
    Year: 1938
    Country: Unknown
  • Sample n°1097 : black prismatic crystals in quartz, and isolated crystals
    Minerals: TOURMALINE
    Year:
    Country: Unknown
  • Sample n°1098 : concentrate of minerals associated with diamond
    Minerals: DIOPSIDE GARNET ILMENITE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1105 : purple concentrate
    Minerals: GARNET
    Year: 1938
    Country: Congo (RDC)
  • Sample n°2979 : concretionary block
    Minerals: GOETHITE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°3182 : altered crystals
    Minerals: GARNET
    Year:
    Country: Congo (RDC)
  • Sample n°6509 : octahedral crystals in sandstone
    Minerals: MAGNETITE
    Year:
    Country: Congo (RDC)
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