Mineralogy Database

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125 samples matching your criteria

  • Sample n°4403 : brown concentrate (1 cm), var. malacon
    Minerals: ZIRCON
    Year: 1954
    Country: Rwanda
  • Sample n°4405 : octahedral crystals (5 mm)
    Minerals: ZIRCON
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4406 : large square-shaped crystal
    Minerals: ZIRCON
    Year:
    Country: Madagascar
  • Sample n°4407 : concentrate (1 cm)
    Minerals: ZIRCON
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4761 : red concentrate from syenite (2 mm)
    Minerals: ZIRCON
    Year:
    Country: Congo (RDC)
  • Sample n°4823 : octahedral zircon crystals (3-10 mm)
    Minerals: ZIRCON COLUMBITE CORUNDUM
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5906 : pink concentrate (5-10 mm)
    Minerals: ZIRCON
    Year: 1960
    Country: Burundi
  • Sample n°5907 : pink concentrate (3 mm)
    Minerals: ZIRCON
    Year: 1956
    Country: Rwanda
  • 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°6178 : sample with gold-yellow althupite crystals, yellow phuralumite crystals, pale yellow furongite lamellae, white rutherfordine needles
    Minerals: ALTHUPITE FURONGITE PHURALUMITE RUTHERFORDINE ZIRCON
    Year: 1958
    Country: Congo (RDC)