Mineralogy Database

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1547 samples matching your criteria

  • Sample n°16929 : coarse-crystalline fragment
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°16946 : vein fragment
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°18531 : fragments with abundant dark blue lazulite
    Minerals: AMBLYGONITE LAZULITE
    Year:
    Country: Rwanda
  • Sample n°18532 : fragment with polished face
    Minerals: BRAZILIANITE
    Year:
    Country: Rwanda
  • Sample n°18533 : fne-grained block
    Minerals: LEPIDOLITE
    Year:
    Country: Rwanda
  • Sample n°18534 : coarse-crystalline crust
    Minerals: AMETHYST (quartz)
    Year:
    Country: Rwanda
  • Sample n°18535 : crystal with dull exterior
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°18536 : thick layered crust, grading to amethyst
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°18537 : coarse-crystalline block
    Minerals: ALLUAUDITE
    Year:
    Country: Rwanda
  • Sample n°18538 : rock fragment with abundant large augite crystals
    Minerals: AUGITE
    Year:
    Country: Rwanda
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