Mineralogy Database

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1477 samples matching your criteria

  • Sample n°1556 : black needles (1 cm) in micaschist
    Minerals: ACTINOLITE
    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°1573 : green fragment (4 cm)
    Minerals: EPIDOTE
    Year:
    Country: Congo (RDC)
  • Sample n°1574 : small sheet (5 mm)
    Minerals: GOLD
    Year: 1959
    Country: Congo (RDC)
  • Sample n°1664 : ferruginous substrate with black coatings
    Minerals: GOETHITE MANGANESE OXIDES
    Year:
    Country: Congo (RDC)
  • Sample n°1665 : black needles (4 cm) in pegmatite
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
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