Pyrrhotite

There is something about how the myriad growth faces layer themselves with such a  geometric architecture. The bronzey patina adds so much, like an antiquity. A perfect single crystal. A touch of tiny Quartz points along the back. Old material. Ex Mike Wortham

Locality: Nicholaevskiy Mine, Dalnegorsk, Primorski Kray Russia

Composition: iron sulfide