Calcite with Iridescent Chalcopyrite from Daye Copper Mine

Dimension: 10.3cm x 6.5cm x 2.5cm
Weight: 128g
Locality: Tonglushan Mine, Daye Co., Huangshi Prefecture, Hubei Province, China
 
A large doubled-sided, balanced specimen from the famous Daye Copper Mine.  Groups of uniform Dogtooth Calcite crystals in scalenohedral form exhibit well defined edges and double terminations covering almost the entire surface of the matrix.  Interlinked with each other, they are brilliant and translucent with a slight grayish tone.  On the other side the translucent Calcite crystals scattered on the matrix in places.  Associated with tiny pyrite crystals in a rainbow iridescent color, they are beautiful and glittering!