Large Oxidized Pyrite Crystals with Quartz – Hekou, Yunnan, China – 344g Orthoclase This awesome Carcharodontosaurus tooth will

This awesome Carcharodontosaurus tooth will stand out in any mineral or fossil collection

This piece has a good green color and nice crystal structure

While it is not quite facet grade

adding visual interest and highlighting the natural formation of the crystal

Large Oxidized Pyrite Crystals with Quartz – Hekou, Yunnan, China – 344g Orthoclase This awesome Carcharodontosaurus tooth willA visually striking specimen featuring dark metallic crystals set among a dense cluster of quartz from Hekou, Yunnan, China. The larger crystals display deep reddish brown to black coloration and retain the sharp crystal form of pyrite. While the exact identity of these crystals has not been confirmed, they are believed to represent oxidized pyrite based on a cut section from a similar specimen that revealed something that looks like fresh metallic