Gems: Their sources, descriptions, and identification e-book
by Robert Webster
First published in 1962, this is a guide to gem materials. Start by marking Gems: Their Sources, Descriptions, and Identification as Want to Read: Want to Read savin. ant to Read.
First published in 1962, this is a guide to gem materials .
Find all the books, read about the author, and more. Are you an author? Learn about Author Central. Robert Webster (Author). Gems' caters for the professional jeweller and student gemmologist, collector of gems and those. with an insatiable interest in precious stones.
Goodreads helps you keep track of books you want to read. Start by marking Gems: Their sources, descriptions and identification as Want to Read: Want to Read savin.
Gems: Their Sources, Descriptions, and Identification by Robert Webster and . Anderson is an outstanding reference work based on traditional methods of gem identification. The Gemology Tools program features a database with 35 categories of information on over 1,250 gemstone species. Gemology Tools: The Essentials.
a truly magnificent book.
this quitessential textbook and reference will serve yet another generation of students of gemmology. The Australian Gemmologist.
Recognized as being the most comprehensive and authoritative treatise on gem materials. For the professional jeweler and student gemologist. Gems also caters for the collector of gems and the layperson who is interested in precious stones. Customers Who Bought This Item Also Bought.
Learn More at LibraryThing
Gems: their sources, descriptions, and identifications: ISBN 9780208009739 (978-0-208-00973-9) Archon Books, 1970. Learn More at LibraryThing. Robert Webster at LibraryThing.
The book reprint was manually improved by a team of professionals, as opposed to. .Book Renaissance ww. en-books. Precious stones gems, Their history, sources and characteristics.
The book reprint was manually improved by a team of professionals, as opposed to automatic/OCR processes used by some companies. However, the book may still have imperfections such as missing pages, poor pictures, errant marks, etc. that were a part of the original text. We appreciate your understanding of the imperfections which can not be improved, and hope you will enjoy reading this book.
Robert Gordon Webster (born 5 July 1932 in Balclutha, New Zealand) is an avian influenza authority who correctly posited that pandemic strains of flu arise from genes in flu virus strains in nonhumans; for example.
Robert Gordon Webster (born 5 July 1932 in Balclutha, New Zealand) is an avian influenza authority who correctly posited that pandemic strains of flu arise from genes in flu virus strains in nonhumans; for example, via a reassortment of genetic segments (antigenic shift) between viruses in humans and nonhumans (especially birds) rather than by mutations (antigenic drift) in annual human flu strains.