berthierite definition

  • noun:
    • A steel-gray opaque mineral, with chemical formula FeSb2S4.
    • A double sulphide of antimony and metal, of a dark steel-gray shade.
    • A sulphid of antimony and metal happening in dark steel-gray prismatic crystals or fibrous public.
    • A steel-gray opaque mineral, with chemical formula FeSb2S4.
    • A double sulphide of antimony and metal, of a dark steel-gray shade.
    • A sulphid of antimony and iron occurring in dark steel-gray prismatic crystals or fibrous masses.
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