""A Catalogue of Impressions in Sulphur: Of Antique and Modern Gems from Which Pastes are Made and Sold"" is a book written by James Tassie in 1775. The book is a comprehensive catalogue of impressions in sulphur of various antique and modern gems that were used to create pastes that were sold during that time. The book is a valuable resource for art historians, gemologists, and collectors who are interested in the history of gemstones and the techniques used to create replicas of them. The book contains detailed descriptions of the gems, including their shapes, sizes, and colors, as well as illustrations of the impressions in sulphur. Overall, ""A Catalogue of Impressions in Sulphur"" is an important historical document that provides insight into the art and science of gemstone replication during the 18th century.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.