Mineralogy Database

Search |  About the mineralogy database |  Contact

1097 samples matching your criteria

  • Sample n°1518 : black spots in altered granular quartz matrix
    Minerals: CASSITERITE WOLFRAMITE QUARTZ
    Year: 1944
    Country: Congo (RDC)
  • Sample n°1522 : yellow topaz in altered pegmatite
    Minerals: TOPAZ MUSCOVITE QUARTZ
    Year: 1945
    Country: Congo (RDC)
  • Sample n°1527 : black crystals (2 cm) in vein quartz
    Minerals: CASSITERITE MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1561 : ochre crust on quartz and siderite
    Minerals: QUARTZ SIDERITE GOETHITE
    Year:
    Country: Congo (RDC)
  • Sample n°1568 : broken tourmalinite fragment
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1569 : massive pink feldspar
    Minerals: ORTHOCLASE QUARTZ
    Year: 1959
    Country: Congo (RDC)
  • Sample n°1570 : massive black tourmaline on saccharoidal quartz
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1572 : fragment with mixed composition
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1587 : specular, on quartz
    Minerals: HEMATITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1599 : abundant gold in large block of smoky quartz
    Minerals: GOLD QUARTZ
    Year:
    Country: Congo (RDC)
Previous page