| Description |
384 pages, 4 unnumbered pages of plates : illustrations (some color) ; 24 cm |
| Contents |
Machine derived contents note: Table of contents for Gemmology / P.G. Read. -- Bibliographic record and links to related information available from the Library of Congress catalog -- Information from electronic data provided by the publisher. May be incomplete or contain other coding. -- Introduction -- The geological formation and occurrence 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 enhancement -- Synthetic gemstones and gemstone simulants -- Distinguishing between synthetic and natural gemstones -- Identifying inorganic gemstone simulants -- Organic gem materials and their simulants -- The fashioning of gemstones -- Appendices -- Index. -- Library of Congress subject headings for this publication: Precious stones, Gems |
| Notes |
Previous ed.: 1991 |
|
Includes index |
| Bibliography |
Includes bibliographical references (pages 267-268) and index |
| Subject |
Jewelry.
|
|
Gems.
|
|
Precious stones.
|
| LC no. |
00266100 |
| ISBN |
0750644117 |
|
