precious stones Topaz with Smoky Quartz. Specimen No. 81242, U.S.N.M. Crystals of Quartz. Dauphiny, France. Specimen No. 82218, U.S.N.M Amazon Stone. Pikes Peak, Colorado. Specimen No. 81813, U.S. N.M. A celebrated collection of gem minerals Cinnabar Tungyen Prefecture, Kweichow, China
