Practical Gemmology - Couverture rigide

Webster, Robert

Couverture rigide

ISBN 10 : 0719801311 ISBN 13 : 9780719801310

Editeur : Robert Hale Ltd, 1993

Synopsis

"Practical Gemmology" has for decades been recognised as the standard work for those learning how to identify gems and ornamental minerals. It is recommended by educational authorities as a course textbook; it is also particularly suitable as a self-instructor for those entering or hoping to advance in the jewellery and gem trades, or for the keen amateur. The twenty-one sections comprise notes on the formation of gem materials and an additional chapter on the chemistry of gemstones. A section on luminescence and electrical effects that brings a more modern approach to this part of the subject. More information is given on the inclusions seen in gemstones and the newer synthetic stones are discussed. Increased coverage is given to the types of modern methods of colouring diamonds artificially. The methods used in cutting gemstones and details of more of the unusual gemstones now cut and polished are also discussed.

A propos du livre

À propos de l?auteur

Robert Webster FGA was originally in the jewellery and pawnbroking trade, and won the Fellowship Diploma of the Gemmological Association of Great Britain with distinction in 1934. In 1946 the same association awarded him their coveted Research Diploma and in that year he joined London Gem Testing Laboratory, then in Hatton Garden, where he remained until he retired in 1971. He was a noted lecturer in various London colleges for decades and an honorary visiting lecturer to the Detective Training School of the London Police. He travelled widely, lecturing, visiting gem laboratories and mining and cutting centres in many parts of the world.

Détails de l'édition

• Éditeur: Robert Hale Ltd
• Date d'édition: 1993
• Langue: anglais
• ISBN 10: 0719801311
• ISBN 13: 9780719801310
• Reliure: Relié
• Numéro d'édition: 6
• Nombre de pages: 216
• Coordonnées du fabricant: non disponible
• Personne responsable: non disponible