BUCH: GEMMOLOGY

Best.Nr. 9216ENG

BUCH: GEMMOLOGY

Buch: Gemmology (3rd Edition)
by Peter G. Read

format: 23,4 x 15,5 cm
324 pages
paperback
numerous black / white and some coloured illustrations and drawings
second edition 1999 (first published in Great Britain 1991)
ISBN 978-0-719803-61-1

Since “Gemmology” was published, readers have used it to gain an in-depth appreciation of the science of gemmology, its history and practice.This third edition has been completely revised to cover the latest methods of gem enhancement and identification, as well as the latest test instruments and laboratory techniques.”Gemmology” serves as an invaluable reference guide for gemmologists, professionals and students, and is an invaluable text for anyone in the gemmological profession. Also included are details of the Gemmological Association’s Foundation Course together with advice on examination techniques.

SUMMARY (keywords):

  • Introduction
  • The geological origin, occurrence and locality of gemstones
  • The chemical composition of gemstones
  • Crystallography
  • Cleavage, parting and fracture
  • Hardness
  • Specific gravity, density and relative density
  • Colour, lustre and sheen
  • Reflection and refraction
  • Polarization and pleochroism
  • Spectroscopy
  • Luminescent, electrical and thermal properties of gemstones
  • The hand lens, microscope and Chelsea filter
  • Gemstone anhancement
  • Synthetic gemstones and gemstone simulants
  • Identifying inorganic gemstones and their sythetic counterparts
  • Identifying inorganic gemstone simulants
  • Identifying organic gem materials and their simulants
  • The fashioning of gemstones
  • Practical gemstone identification
  • Appendices
  • Index


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