Mineralogy Database

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291 samples matching your criteria

  • Sample n°12256 : white fibrous crusts on block (7 cm)
    Minerals: NATROLITE
    Year: 1969
    Country: Czech Republic
  • Sample n°12257 : pyramidal prismatic crystals (6 cm) with small fluorite crystals
    Minerals: QUARTZ FLUORITE
    Year: 1969
    Country: Czech Republic
  • Sample n°12258 : olive-green massive block (5 cm)
    Minerals: OLIVINE
    Year: 1969
    Country: Czech Republic
  • Sample n°12260 : altered Carlsbad twins (5 cm)
    Minerals: ORTHOCLASE
    Year: 1969
    Country: Czech Republic
  • Sample n°12261 : blue crystal (8 cm)
    Minerals: KYANITE
    Year: 1969
    Country: Czech Republic
  • Sample n°12263 : zoned geodes (2 cm) in melaphyre with green mica
    Minerals: AGATE (quartz)
    Year: 1969
    Country: Czech Republic
  • Sample n°12264 : white microcrystalline crust on block (5 cm)
    Minerals: HEULANDITE
    Year: 1969
    Country: Czech Republic
  • Sample n°12265 : vitreous green blocks (2 cm), var. peridot
    Minerals: OLIVINE
    Year: 1969
    Country: Czech Republic
  • Sample n°12267 : greenish block (11 cm) white quartz vein (cm) with natrolite as white powder
    Minerals: NATROLITE
    Year: 1969
    Country: Czech Republic
  • Sample n°12270 : flattened yellowish clear crystal (6 cm)
    Minerals: QUARTZ
    Year: 1969
    Country: Czech Republic
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