15dm975 ((CHALCOPYRITE, ARSENOPYRITE)), $10 MINIMUM BID, Yaogangxian Mine, Hunan Province, China, 8 x 4 x 3.5 cm, Cabinet | |
Here is a specimen with undamaged large Chalcopyrite crystals. The bottom or back side has a large lustrous silver colored Arsenopyrite crystal. ex Dennis McMurdie collection. |