Mineralogy Database

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2 samples matching your criteria

  • Sample n°11389 : granular with black octahedral magnetite crystals and green amphibole
    Minerals: MAGNETITE FERRO-ACTINOLITE
    Year: 1967
    Country: Italy
  • Sample n°20421 : fan-like groups of elongated crystals
    Minerals: FERRO-ACTINOLITE
    Year: 2025
    Country: Congo (Congo-Brazzaville)