Mineralogy Database

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331 samples matching your criteria

  • Sample n°10259 : black octahedral crystals (1 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10260 : black crystal (1 cm)
    Minerals: COLUMBITE
    Year:
    Country: Rwanda
  • Sample n°10261 : black concentrate (4 mm)
    Minerals: TAPIOLITE
    Year:
    Country: Rwanda
  • Sample n°10262 : bluish mixed phosphates (10 cm)
    Minerals: BERLINITE WARDITE LACROIXITE MONTEBRASITE
    Year:
    Country: Rwanda
  • Sample n°10264 : block with prominent cleavage (4 cm)
    Minerals: BRAZILIANITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°10265 : blue and white block (15 cm)
    Minerals: MONTEBRASITE CHILDRENITE SCORZALITE
    Year:
    Country: Rwanda
  • Sample n°10266 : mixed phosphates
    Minerals: BURANGAITE CHILDRENITE VARISCITE ROCKBRIDGEITE TROLLEITE WYLLIEITE
    Year:
    Country: Rwanda
  • Sample n°10267 : aggregates of bright black prismatic crystals (4 cm)
    Minerals: SCHORL
    Year: 1963
    Country: Rwanda
  • Sample n°10268 : brown layer (4 cm)
    Minerals: CASSITERITE
    Year: 1963
    Country: Rwanda
  • Sample n°10269 : pink needles (1 cm) in micaceous block (6 cm), var. rubellite
    Minerals: ELBAITE MUSCOVITE
    Year: 1963
    Country: Rwanda
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