15dm467 ((CHALCOPYRITE pseudomorph after COVELLITE, aka GOLDEN COVELLITE)), $20 MINIMUM BID, Summitville, Rio Grande County, Colorado, 5.5 x 3 x 2.5 cm, Miniature | |
Brassy lustrous Chalcopyrite and bluish purple Covellite from Summitville. The Chalcopyrite is the result of Covellite pseudomorphing to Chalcopyrite. Dennis McMurdie collection. |