PreviousNext DOL0302 - DOLOMITE, CHALCOPYRITE on Chert $30.00 Locality Tri-State District; Cherokee County, Kansas, USA Dimensions 85mm x 64mm x 39mm Classic Tri-State specimen consisting of translucent light pink saddle-shaped dolomite crystals up to 7 mm across, on a light gray chert matrix. A few sparse brown-tarnished chalcopyrite crystals around 1 mm across are also present.