Mineralogy Database

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1097 samples matching your criteria

  • Sample n°10381 : black and brown anhedral crystals in vein quartz
    Minerals: CASSITERITE WOLFRAMITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°10387 : group of pyramidal prismatic crystals (7 cm), smoky quartz
    Minerals: QUARTZ
    Year: 1970
    Country: Rwanda
  • Sample n°10395 : purple pyramidal crystals (3 cm) on quartz block (10 cm)
    Minerals: AMETHYST (quartz) QUARTZ
    Year:
    Country: Rwanda
  • Sample n°10462 : black coating (5 cm) on vein quartz
    Minerals: COLUMBITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°10501 : grey fibrous prismatic crystals (1 cm)
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°10523 : plate of white crystals (8 cm)
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°10536 : crust (13 cm) of slightly purplish crystals
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°10557 : block of mixed phosphates (20 cm), including white gatumbaite fibres
    Minerals: FLUORAPATITE GATUMBAITE TROLLEITE BURANGAITE MONTEBRASITE QUARTZ SCORZALITE
    Year:
    Country: Rwanda
  • Sample n°10559 : blocks (7-15 cm) of grey pyramidal crystals
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°10560 : block of mixed blue and white phosphates (10 cm)
    Minerals: APATITE BJAREBYITE BURANGAITE GATUMBAITE QUARTZ SCORZALITE TROLLEITE
    Year:
    Country: Rwanda
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