My periodic table poster is now available! Sphalerite. Sphalerite from the Kaiyang Mine, Guiyang City, Guizhou Province, China. Source: eBay seller vipcreative718 Contributor: Theodore Gray Acquired: 2 April, 2009 Text Updated: 3 April, 2009 Price: $9 Size: 2.5" Composition: (Zn,Fe)(S,Ge)