Mineralogy Database

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402 samples matching your criteria

  • Sample n°2501 : cassiterite in coarse-crystalline quartz vein
    Minerals: CASSITERITE MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2502 : block with prominent banding, variations in crystal size
    Minerals: MICA QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°9226 : coarse-crystalline blocks
    Minerals: QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9266 : large block with prominent cleavage
    Minerals: ALBITE MICROCLINE
    Year: 1962
    Country: Rwanda
  • Sample n°9453 : block with well-developed crystals in quartz
    Minerals: ELBAITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9455 : block with well-developed crystals in quartz
    Minerals: SCHORL QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9532 : well-developed quartz crystals, covered by thin opal coating
    Minerals: OPAL QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9628 : coarse-crystalline block
    Minerals: ALBITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9633 : vein quartz with pyrite
    Minerals: PYRITE QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9379 : large muscovite plates as part of pegmatite matrix
    Minerals: MUSCOVITE QUARTZ MICROCLINE ALBITE
    Year: 1962
    Country: Rwanda