PYRITE - FeS2 / QUARTZ - SiO2 A different and interesting specimen that is sort of a column of quartz and pyrite crystals. The specimen is 7.5 cm (2-7/8") tall by 4 cm (1-5/8") wide by 3.5 cm (1-3/8") deep.Showy, bright pyrite and quartz. Weight 0.14 lbs. No faults. From the Shangbo Mine, Leiyang, Hunan Province, China.
