PreviousNext CAL3913 - CALCITE with CHALCOPYRITE on Limestone $42.00 Locality Milliken (Sweetwater, Ozark Lead) Mine, Viburnum Trend District, Reynolds County, Missouri, USA Dimensions 79mm x 57mm x 40mm Size Small Cabinet Rich specimen comprised of several yellow prismatic translucent calcite crystals (the largest 5.5 cm long), on a limestone matrix. Brassy chalcopyrite crystals to 0.8 cm also present. Calcite is fluorescent orange-pink under shortwave (254 nm) and bright pink under midwave (312 nm) UV light. A couple of micro-dings on calcites; otherwise no damage.