20hhgd.is ((CHALCOPYRITE, PYRITE, QUARTZ, DOLOMITE)), $20 MINIMUM BID, Sweetwater Mine, Reynolds County, Missouri, 9 x 7 x 4.5 cm, Cabinet | |
Colorful purple iridescent Chalcopyrite with a druse of Pyrite on a thin layer of small Quartz crystals over the matrix Limestone. White opaque Dolomite crystals are also present. ex Glen Davidson collection. |