Bidspirit auction | Marcasite on Epetaxial Irredescent Chalcopyrite

Marcasite on Epetaxial Irredescent Chalcopyrite on Sphalerite with Dolomite - Marcasite on Epetaxial Irredescent Chalcopyrite on Sphalerite with Dolomite Treece, Kansas 1975 Find 10oz