Pyrrhotite Nikolaevskiy Mine, Da'negorsk, Primorskiy Kray, ...
Description: Pyrrhotite Nikolaevskiy Mine, Da'negorsk, Primorskiy Kray, Russia 4.5 x 5.0 cm. Thick hexagonal prisms to 5 cm on a small matrix composed of fine needle-like quartz crystals.