15dm381 ((CHALCOPYRITE on DOLOMITE)), $15 MINIMUM BID, Sweetwater Mine, Reynolds County, Missouri, 9 x 8 x 7.5 cm, Cabinet, | |
Here is a dolostone covered by Dolomite crystals. Brightly metallic blue iridescent Chalcopyrite crystals perched on the Dolomite. Damaged crystals show the yellow brassy interior. I only see one yellow crystal. ex Dennis McMurdie collection. |