Mineralogy Database

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133 samples matching your criteria

  • Sample n°5916 : black aegirine crystals, bronze-coloured metallic pyrrhotite, in carbonatite
    Minerals: AEGIRINE PYRRHOTITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°5951 : sample with yellow threadgoldite plates, amber-coloured upalite needles, small canary-yellow althupite crystals, yellow/amber-coloured upalite crystals on trheadgoldite, felty acicular canary-yellow phospuranylite on mica
    Minerals: ALTHUPITE THREADGOLDITE UPALITE COLUMBITE PHOSPHURANYLITE ZIRCON
    Year: 1957
    Country: Congo (RDC)
  • Sample n°6189 : sample with fluorescent bolivarite coating (radioactive sample)
    Minerals: BOLIVARITE COLUMBITE
    Year: 1958
    Country: Congo (RDC)
  • Sample n°6190 : sample with green meta-autunite, pink metamict zircon
    Minerals: META-AUTUNITE COLUMBITE ZIRCON
    Year: 1958
    Country: Congo (RDC)
  • Sample n°6191 : columbite-bearing pegmatite
    Minerals: META-AUTUNITE COLUMBITE URANINITE
    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)
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