Mercedes Calcite (Chalcopyrite on Calcite) - Specimen biostratigraphy fossil Small as they may be

Small as they may be they aren't actually used for killing birds but in fact for larger game like elk and buffalo

where iron-rich fluids interact with silica to create its distinctive golden coloration

one of a kind internal patterns

Description: This one of a kind Aquamarine Beryl mineral specimen from Pakistan features a clean cluster of pale blue

Mercedes Calcite (Chalcopyrite on Calcite) - Specimen biostratigraphy fossil Small as they may beMined 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,