Mineralogy Database

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402 samples matching your criteria

  • Sample n°9297 : pink block with prominent cleavage (20 cm)
    Minerals: MICROCLINE
    Year:
    Country: Rwanda
  • Sample n°9298 : white plate-shaped crystal (25 cm), Rb-rich, var. oncosine
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°9307 : large block of pegmatite
    Minerals: MUSCOVITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9308 : large block of pegmatite
    Minerals: MUSCOVITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9310 : pale green microcrystalline plates (15 cm)
    Minerals: MUSCOVITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9311 : pink block with prominent cleavage (25 cm)
    Minerals: MICROCLINE
    Year:
    Country: Rwanda
  • Sample n°9312 : black crystals in quartz
    Minerals: COLUMBITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9313 : black tablets (6 cm) in vein quartz
    Minerals: COLUMBITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9314 : vein quartz (16 cm) with enclosed white amblygonite
    Minerals: AMBLYGONITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9315 : fractured tabular crystals (10 cm) in vein quartz
    Minerals: COLUMBITE TANTALITE QUARTZ
    Year:
    Country: Rwanda
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