- Calcite, Pyrite
- Cabinet, 10.8 x 7.2 x 3.1 cm
- Dachang Sn-polymetallic ore field, Nandan Co., Hechi Prefecture, Guangxi Zhuang Autonomous Region, China
Look at the bizarre structure of these calcite crystals - with their outlines defined by a strip of microcrystalline, sparkly pyrite! This find, which has produced sporadically over the past year, has also produced complete rhombs and clusters of rhombs. very unusual!