Jadeite Objets d’Art Indeed the last great aesthetic discovery of the Emporer Qianlong, reigning from 1736 to 1796, hidden high amid the impenetrable forested

A second edition, in two parts, of volume two of this reference series. This part deals mainly with the pyroxene minerals, but also with pyroxenoids, sapphirine

"Gems and Gemstones" features nearly 300 color images of cut gems, precious and semiprecious stones, gem-quality mineral specimens, and fine jewelry to be unvei

Olmec Art at Dumbarton Oaks presents the Olmec portion of the Robert Woods Bliss Collection of Pre-Columbian Art. It illustrates all thirty-nine Olmec art objec

A major international text for intermediate and advanced students of metamorphic petrology.