Chalcocite, Chalcopyrite, Calcite
Judkins Quarry, Nuneaton and Bedworth, Warwickshire, England, UK
A piece of calcite vein material opens as a flat roughly crystalline bed of pinkish calcite with a variety of chalcocite, chalcopyrite, possibly marcasite and sphalerite.Judkins Quarry closed a few years ago, collecting is impossible and specimens getting harder to find!
© 2003 Thames Valley Minerals