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greenalite

A monoclinic mineral, (Fe2+,Fe3+)2-3Si2O5(OH)4; kaolinite-serpentine group; forms green granules in the taconite of the Mesabi Range, MN, and the Gogebic iron formation of northern Wisconsin.

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  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 points
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