is a variety in which most of the iron has been oxidized to the ferric state, . Charge balance is preserved by the substitution of oxygen ions for hydroxide. Oxyhornblende is also typically enriched in titanium. It is found almost exclusively in volcanic rock and is sometimes called basaltic hornblende.

Etymology

The word hornblende is believed to derive from German Horn ('horn') and blende ('deceive'), in allusion to its similar appearance

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