“3.1 x 1.7 x 1.5 cm. A rarely seen specimen of the lead copper bismuth sulfosalt, aikinite from the Berezovskoe Au Deposit, Urals Region, Russia. This piece features bronze-silvery metallic thin prismatic crystals of aikinite with minor native gold in quartz matrix. I'm told the green spots in the quartz are caused by magnesiofoitite. Ex. Paolo Matioli Collection.
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Robert Lavinsky - 11th July 2015