Mineralogy Database

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6 samples matching your criteria

  • Sample n°6866 : geode of crystals (cm) in grey rock
    Minerals: HEULANDITE
    Year: 1954
    Country: Iceland
  • Sample n°12264 : white microcrystalline crust on block (5 cm)
    Minerals: HEULANDITE
    Year: 1969
    Country: Czech Republic
  • Sample n°12281 : small white crystals on mixed blocks of calcite and quartz (5-10 cm)
    Minerals: HEULANDITE CALCITE
    Year: 1969
    Country: Czech Republic
  • Sample n°12483 : white plates on red micaceous material (6 cm)
    Minerals: HEULANDITE
    Year: 1970
    Country: Italy
  • Sample n°12574 : pink gonnardite fibres (originally designated tetranatrolite) and red hematite aggregates in green rock
    Minerals: HEULANDITE GONNARDITE
    Year: 1970
    Country: Congo (RDC)
  • Sample n°14033 : sample with rosettes of amber-coloured uranophane-beta crystals, blue compact heulandite crystals
    Minerals: URANOPHANE-BETA HEULANDITE
    Year: 1983
    Country: Namibia
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