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pharmacosiderite

An isometric mineral, KFe4(AsO4)3(OH)4.6-7H2O; crystallizes in cubes or tetrahedra with cubic cleavage; rarely massive; occurs widely as an oxidation product of arsenical ores.

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  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 分数
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