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Improving Mindat.orgFerro-ferri-hornblende formula

21st Jul 2014 14:18 UTCIvan Vighetto

There's an error in ferro-ferri-hornblende formula: ferrous iron is written as Fe³⁺ (Fe³⁺₄ instead of Fe²⁺₄).

Thanks

29th Jul 2014 15:34 UTCUwe Kolitsch Manager

Already fixed by Olav.

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