Oxidized Pyrite Crystals in Quartz Cluster – Hekou, Yunnan, China – 206g heliodore Measurements: 65mm x 45mm x

Measurements: 65mm x 45mm x 26mm

and a pleasing translucent green color

It has an pretty color for a natural and unheated tanzanite crystal

Measurement: 167mm x 116mm x 112mm

Oxidized Pyrite Crystals in Quartz Cluster – Hekou, Yunnan, China – 206g heliodore Measurements: 65mm x 45mm xA 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