Chalcopyrite US Minerals Good shape overall

Good shape overall

I acquired just a few of these specimens in 2011 and I honestly thought them to be a fairly common and unassuming associated species i

while the rest of the specimen has a gentle translucency

blue color cubes and cuboctahedral crystals of this hard-to-find species on matrix

Chalcopyrite US Minerals Good shape overallThe Alice Mine is one of the most classic of all the Colorado localities for Chalcopyrite. It is renowned for its superb Chalcopyrite specimens, exhibiting some of the finest twins for the species extant. The Chalcopyrites from this mine are a staple of any good Colorado mineral collection. This specimen features good sized, sharp, metallic, brassy gold colored twinned crystals of Chalcopyrite coated by micro epitaxial cubic Galena(?), as there is