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zinnwaldite

A monoclinic mineral, KLiFeAl(AlSi3)O10(F,OH)2; mica group; basal cleavage; pale violet, yellowish or grayish brown; in granites, pegmatites, and greisens.

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创建者

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 分数
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