Mineralogy Database

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272 samples matching your criteria

  • Sample n°9502 : breccious black quartz (12 cm)
    Minerals: HETEROSITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9503 : blocks of vitreous and smoky quartz (10 cm)
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9504 : altered phosphate with purple crust (7 cm)
    Minerals: PHOSPHOSIDERITE
    Year:
    Country: Rwanda
  • Sample n°9505 : white block (12 cm)
    Minerals: AMBLYGONITE
    Year:
    Country: Rwanda
  • Sample n°9507 : white blocks (8 cm)
    Minerals: AMBLYGONITE
    Year:
    Country: Rwanda
  • Sample n°9509 : white block (8 cm)
    Minerals: MONTEBRASITE
    Year:
    Country: Rwanda
  • Sample n°9510 : black tourmaline in saccharoidal albite
    Minerals: TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°9511 : white block
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9512 : broken grey granular fragment
    Minerals: MAGNETITE
    Year:
    Country: Rwanda
  • Sample n°9514 : bluish blocks (5-10 cm)
    Minerals: MONTEBRASITE QUARTZ
    Year:
    Country: Rwanda
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