Gems: Their Sources, Descriptions and Identification - Rilegato

Webster, Robert; Read, Peter G.

 
9780750616744: Gems: Their Sources, Descriptions and Identification

Sinossi

Since it was first published in 1962 `Gems', written by Robert Webster and revised in its fourth edition by Basil Anderson, has become universally recognised as the most comprehensive and authoritative treatise on gem materials in the English language. In this fifth edition, edited by Peter Read, the forty chapters, appendices and tables have been revised by fifteen gemmologists chosen for their expertise in the relevant sections.Aimed at the professional jeweller and student gemmologist, Gems also caters for the collector of gems and the layperson who is interested in precious stones.

Le informazioni nella sezione "Riassunto" possono far riferimento a edizioni diverse di questo titolo.

Recensione

'Any serious gemmologist should have a copy available for ready reference.' - Gems and Gemmology
'...a truly magnificent book.' - New World
'..this quitessential textbook and reference will serve yet another generation of students of gemmology.' - The Australian Gemmologist

Contenuti

CONTENTS INCLUDE; Origin of recovery of gemstones; Diamond; Ruby and sapphire; Emerald, aquamarine and other beryls; Chrysoberyl and spinel; Topaz and tourmaline; Zircon, peridot and spodumene; The garnets; Moonstone and other feldspar gemstones; Silica group; Opal; Turquoise and lapis-lazuli; The jades; Natural glasses; Lesser known ornamental and gem materials; Synthetic gemstones; Gemstone stimulants; Composite gemstones; Fashioning of gemstones; Pearls; Coral, shell and operculum; Crystals; Methods and techniques; Hardness, cleavage and fracture; Specific gravity; Light and optical effects; Colour and colour enhancement; Refractive index, reflectance and thermal conductance; Colour in gem testing; Microscope; Inclusions; Luminescence; X-rays; Electrical and magnetic phenomena; Chemistry of gemstones; Appendices; Identification tables.

Le informazioni nella sezione "Su questo libro" possono far riferimento a edizioni diverse di questo titolo.

Altre edizioni note dello stesso titolo