Iridescent Copper Sulphide on Matrix - 514g Great Rock Mine Mineral: Indigo Gabbro (mystic Merlinite)

Mineral: Indigo Gabbro (mystic Merlinite) — 123 Mm

Weight: 593g / 20oz

North Wales with recorded size

Stone: Probable Calcite

Iridescent Copper Sulphide on Matrix - 514g Great Rock Mine Mineral: Indigo Gabbro (mystic Merlinite)A chunky iridescent copper sulphide specimen on matrix, with grey host rock and cavities carrying vivid electric blue metallic flashes across small crystalline surfaces. The appearance is closest to a chalcopyrite bornite type piece, often searched as peacock ore, but no original label was present with the photographed batch so it is not being sold as a confirmed rare blue copper species. Exact specimen shown in the photos. The piece in the photos is