Mercedes Calcite (Chalcopyrite on Calcite) - Specimen Trimmed with color influenced by trace

with color influenced by trace elements such as manganese

Brazil is a major source of amethyst geodes

It has an irregular

Fine = 80grit

W7-1500 grit

Mercedes Calcite (Chalcopyrite on Calcite) - Specimen Trimmed with color influenced by traceMined from: Daye Mine, Huangshi, Hubei Province, China Description: This one of a kind Mercedes Calcite specimen from Hubei Province, China features a large intergrown group of clear to pale honey coloured calcite crystals with broad, strongly striated faces. Distinct black mineral bands run in straight, parallel lines across several crystal surfaces, standing out sharply against the translucent calcite. The piece has a thick, blocky form with stepped