首页 >  Term: dannemorite
dannemorite

A monoclinic mineral, Mn2(Fe2+, Mg)5Si8O22(OH)2; amphibole group; has Fe2+/(Mg + Fe2+) = 0.5 to 1.0 ; columnar or fibrous; at Dannemora, Sweden.

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  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 分数
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