A sprawling, cabinet sized specimen. A dynamic matrix covered in crystals of Dolomite hosts hundreds of iridescent clusters of Chalcopyrite. Multiple Calcite crystals, including one double terminated crystal held spectacularly aloft by an outcrop of Dolomite and Chalcopyrite ornament this amazing pieces of nature's art. Mineralized all around, even the bottom! Sweetwater Mine, Ellington, Reynolds County, Missouri, USA. 5" x 2.75" x 2.5", 14 oz