Pyrite "ball" on Calcite on Chalcocite

Item Description

A rare and nifty pyrite form from this well-known Colorado district. The lustrous "ball" is comprised on tiny, intergrown pyrite cubes and is accented with the tiny calcite corsage. The ball rests on sparkly, oxide-tinted calcite rhombs, which rest on chalcocite ore. The ball is pristine. Choice and rare in this style pyrite from this locale. A must for the species or locality collector.