Devilline is an uncommon mineral that forms as a secondary mineral in oxidized copper sulfide deposits and can be found of post-mine origin in dumps and on timbers. This sample is from the classic location Richtarovia Mine, Stare Hory, Slovakia. Ex Tom Yancy collection.
Dimensions (millimeters): 30 x 25 x 14
Dimensions (inches): 1.2 x 1 x .55
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