Calcite with Chalcopyrite on Dolomite    Sweetwater mine, Viburnum Trend, Reynolds County, Missouri.  Ex.  Jim Turek Collection.  A wonderful display specimen with two primary calcites, the largest measuring 6.8 cm. this specimen is a floater and fully mineralized on both sides.  One edge has a tiny matrix contact and a smaller crystal has a small cleaved on its backside which is not visible in the frontal view.  The largest Crystal is a superb example with many gemmy regions, a complex form and rich yellow color.  11 x 7 x 4 cm overall size.  An excellent example for this location.  $300 on sale for $240