Its dimensions are 45x34x25 mm

Size:  21 - 27 mm incl

Size: 8x4mm

Barite can appear in various hues

Chalcopyrite, Pyrite, Grossular Crystals | Drilled Core Sample | 81 Grams | Grasberg Open Pit Copper Mine, Indonesia Flädle Its dimensions are 45x34x25 mmThis is a fantastic crystallized chalcopyrite matrix core sample. The specimen is rounded with brassy chalcopyrite, pyrite and grossular crystals. The Grasberg mine has the single largest known gold reserve and the second largest copper reserves in the world. It is located 96km north of Timika, at Tembagapura in Irian Jaya the most easterly of Indonesias provinces on the western half of the island of New Guinea. The mine stands at the collision of the