Mineralogy Database

Search |  About the mineralogy database |  Contact

152 samples matching your criteria

  • Sample n°6134 : reworked bluish black crystal
    Minerals: COLUMBITE TANTALITE
    Year:
    Country: Congo (RDC)
  • Sample n°6179 : sample with yellow transparent tabular phuralumite crystals
    Minerals: PHURALUMITE COLUMBITE TANTALITE
    Year: 1958
    Country: Congo (RDC)
  • Sample n°6192 : sample with triangular golden-yellow triangulite crystals, meta-autunite as pale yellow crystals and cubic crystals, orange-yellow ranunculite nodules, pink zircon bands in columbite, black columbite
    Minerals: META-AUTUNITE TRIANGULITE BERYL COLUMBITE RANUNCULITE TANTALITE THREADGOLDITE ZIRCON
    Year: 1958
    Country: Congo (RDC)
  • Sample n°6193 : sample with golden-yellow ranunculite nodules, white albite
    Minerals: RANUNCULITE ALBITE COLUMBITE TANTALITE ZIRCON
    Year: 1958
    Country: Congo (RDC)
  • Sample n°6194 : sample with bright yellow ranunculite nodules, rosettes and fan-shaped aggregates of golden-yellow triangulite crystals, white threadgoldite crystals, black columbite, little meta-autunite, white powdery and white-grey fluorapatite
    Minerals: RANUNCULITE TRIANGULITE COLUMBITE FLUORAPATITE META-AUTUNITE TANTALITE THREADGOLDITE ZIRCON
    Year: 1958
    Country: Congo (RDC)
  • Sample n°6195 : sample with abundant yellow phuralumite laths, yellow althupite crystals, yellow upalite needles, orange-yellow ranunculite nodules, grey fibrous beraunite aggregates partly covered by ranunculite
    Minerals: ALTHUPITE PHURALUMITE UPALITE BERAUNITE COLUMBITE RANUNCULITE TANTALITE ZIRCON
    Year: 1958
    Country: Congo (RDC)
  • Sample n°6196 : sample with thick yellow furongite crystals, small triangulite crystals (triangular forms) on autunite, autunite as greenish yellow crystals and pale yellow plates, pink apatite
    Minerals: FURONGITE TRIANGULITE APATITE AUTUNITE COLUMBITE TANTALITE
    Year: 1958
    Country: Congo (RDC)
  • Sample n°6206 : sample with golden yellow triangulite plates, few meta-autunite plates
    Minerals: TRIANGULITE COLUMBITE META-AUTUNITE PHOSPHURANYLITE TANTALITE ZIRCON
    Year: 1958
    Country: Congo (RDC)
  • Sample n°6629 : sample with uraninite (partly yellow), bottle-green gahnite, black ixiolite plates, fragmented columbo-tantalite crystals
    Minerals: GAHNITE IXIOLITE URANINITE COLUMBITE TANTALITE
    Year: 1955
    Country: Brazil
  • Sample n°8383 : black plates (5-10 cm) in pegmatite
    Minerals: TANTALITE
    Year: 1959
    Country: Rwanda
Previous page