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Gemmologists' Compendium :Seventh Edition
Gemmologists' Compendium :Seventh Edition
hardback | English
Published:
1 September, 1998
hardback | English
Published:
1 September, 1998
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Description
This is the seventh edition of a book which has been for years the 'bible' of professional and amateur gemmologists, as well as retail jewellers. Originally written by Robert Webster, an expert who dedicated most of his life to the subject and who worked in the London Gem Testing Laboratory for twenty-five years, this edition has been completely revised and updated by E. Alan Jobbins, Keeper of Minerals and Gemstones at the Geological Museum in London for thirty-five years. The first part of the book is a comprehensive glossary on all aspects of gemstones and the terms associated with them. The second part includes sections on manufactured gems, the enhancement of gem materials and on the precautions necessary for avoiding damage to gemstones and jewellery during manufacturing, repairs and cleaning. There are comprehensive sets of tables of the physical constraints needed for gem testing, of the sources of gem materials and the cuts used to demonstrate their beauty. Fifteen pages of colour photographs will assist in the identification of inclusions and there are many useful conversion tables. Acknowledged as one of the most useful reference books available, this should be the vade mecum of all gemmologists.
More Details
| Type | Book |
|---|---|
| ISBN13 | 9780719802911 |
| ISBN10 | 0719802911 |
| Number Of Pages | 240 |
| Item Weight | 494 g |
| Product Dimensions | 138 x 196 x 23 mm |
| Publisher / Reseller | The Crowood Press Ltd |
| Format | hardback |
| Edition | 7th Revised edition |
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Author's Bio
Robert Webster FGA 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 the London Gem Testing Laboratory, where he remained until he retired in 1971. He was a noted lecturer in various London colleges and an honorary visiting lecturer to the Detective Training School of the London Police.