Mercedes Calcite (Chalcopyrite on Calcite) - Specimen mysterious treasure uneven shape with glassy broken

uneven shape with glassy broken crystal faces

The raised dome shape and darker preserved edge sections give the piece a strong fossil-shell appearance

One end is incomplete and exposes a flat broken section of the limestone-filled interior

Description: Polished to a silky finish

Mercedes Calcite (Chalcopyrite on Calcite) - Specimen mysterious treasure uneven shape with glassy brokenMined from: Daye Mine, Huangshi, Hubei Province, China Description: This one of a kind Mercedes Calcite specimen from Hubei Province, China features a broad cluster of intergrown, pale cream to nearly clear calcite crystals with thick, flattened forms and sharply angled terminations. Dark brown to black mineral bands run along the faces and edges of many crystals, creating the lined pattern associated with this material. The specimen has a solid,