Mercedes Calcite (Chalcopyrite on Calcite) - Specimen rare mineral from congo Description: Super Seven

Description: Super Seven

with visible fossil texture and matrix still attached

The specimen features thick tabular to bladed crystal growth with striking angular faces

and rough mineral texture

star-like cluster

Mercedes Calcite (Chalcopyrite on Calcite) - Specimen rare mineral from congo Description: Super SevenMined from: Daye Mine, Huangshi, Hubei Province, China Description: This one of a kind Mercedes Calcite with Chalcopyrite mineral specimen from Hubei, China features a large, well formed translucent calcite crystal rising from a richly textured matrix of dark bronze brown chalcopyrite. The main calcite crystal shows pale smoky champagne tones with clean geometric faces, visible internal growth lines, and distinctive dark linear markings running across