Mineralogy Database

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3 samples matching your criteria

  • Sample n°11340 : black needles in cipolin marble
    Minerals: MAGNESIO-ARFVEDSONITE
    Year: 1967
    Country: Madagascar
  • Sample n°13471 : black needles (3 cm) in rock
    Minerals: MAGNESIO-ARFVEDSONITE
    Year: 1977
    Country: Madagascar
  • Sample n°17265 : lath-shaped crystals in rock matrix, var. imerinite (type locality material)
    Minerals: MAGNESIO-ARFVEDSONITE
    Year:
    Country: Madagascar
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