MAJOR WORK ON GEMS BRšCKMANN, URBAN FRIEDRICH

B. Abhandlung von Edelsteinen. Engraved title vignette. 8vo, nineteenth-century marbled boards, rubbed, joints starting. Second Edition. Braunschweig, 1773 best and final edition of this major work on gems. The book is remarkable for its detailed appendix and glossary of ancient gemological and mineralogical terms. The second edition expands upon classification schemes to include new gemstones, granites, "metallic" stones, petrified materials, and more. "Enormously enlarged... [Brckmann was] indefatigable in both research in the literature and in the personal examination of gemstones, minerals, and fossils"--Sinkankas 975.