Mineralogy Database

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1097 samples matching your criteria

  • Sample n°9061 : beige crystals on saccharoidal quartz
    Minerals: CASSITERITE QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9081 : bright black block (8 cm)
    Minerals: GRAPHITE QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9144 : debris of pyramidal crystals (5-8 cm), partly smoky quartz
    Minerals: QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9148 : group of pyramidal prismatic crystals (10 cm), slightly smoky aspect
    Minerals: QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9149 : clear prismatic crystal (8 cm)
    Minerals: QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9154 : plates (1 cm) on breccious quartz
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9179 : blue stony crystals in vein quartz
    Minerals: APATITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9191 : clear debris (3-8 cm)
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9216 : block of clear quartz (16 cm)
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9260 : large block of quartz from pegmatite
    Minerals: QUARTZ
    Year:
    Country: Rwanda
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