Mineralogy Database

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4 samples matching your criteria

  • Sample n°6849 : white phenocrysts (2 cm), isolated or in trachyte matrix
    Minerals: SANIDINE
    Year: 1954
    Country: France
  • Sample n°11179 : bright grey crystals (8-12 cm)
    Minerals: SANIDINE
    Year: 1966
    Country: Germany
  • Sample n°11180 : grey-pink tabular crystals (1-3 cm) in trachyte
    Minerals: SANIDINE
    Year: 1966
    Country: Germany
  • Sample n°17147 : concentric patterns
    Minerals: SANIDINE
    Year:
    Country: Congo (RDC)
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