Chalcopyrite & Quartz on Fluorite (old classic) University of Delaware Coll.

Item Description

Beautiful, iridescent, sharp, chalcopyrite sphenoids are attractively scattered amongst a forest of glassy milky quartz crystals. Both the quartz prism faces and large purple fluorite matrix plate are covered with secondary drusy quartz. Classic, old-time and excellent combination material from the historic mines of Cornwall. Ex University of Deleware Collection.