Mineralogy Database

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292 samples matching your criteria

  • Sample n°1097 : black prismatic crystals in quartz, and isolated crystals
    Minerals: TOURMALINE
    Year:
    Country: Unknown
  • Sample n°1331 : striated prismatic crystals in pegmatite
    Minerals: TOURMALINE FELDSPAR QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1343 : band of black fibres in pegmatite
    Minerals: TOURMALINE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1405 : massive tourmaline in micaceous quartz
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Unknown
  • Sample n°1428 : reddish tourmalinite
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°1431 : tourmalinite fragment (10 cm)
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°1568 : broken tourmalinite fragment
    Minerals: TOURMALINE QUARTZ
    Year:
    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°1606 : debris of tourmaline crystals in vein quartz
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
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