Mineralogy Database

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953 samples matching your criteria

  • Sample n°9288 : black block (15 cm)
    Minerals: HETEROSITE
    Year:
    Country: Rwanda
  • Sample n°9291 : black blocks (5 cm)
    Minerals: ALLUAUDITE
    Year:
    Country: Rwanda
  • Sample n°9293 : large white block
    Minerals: MONTEBRASITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9296 : pink block with prominent cleavage (30 cm)
    Minerals: MICROCLINE
    Year:
    Country: Rwanda
  • 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
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