A Field Guide to Australian Opals

1977
A Field Guide to Australian Opals
Author: Barrie O'Leary
Publisher: NAG Press
Total Pages: 168
Release: 1977
Genre: Nature
ISBN:
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"Written especially for the opal collector and gemmology student, as well as for the opal miner or visitor to the opal fields, this bokk names every recorded opal deposit in Australia and pinpoints every location on concise geologial maps. The text claifies in understandable terms the many mioneralogical, gemmological, and commercial complexities of the opal gemstone and explains the scientific factors involved in opal formation." - book jacket.

Opals

1997
Opals
Author: Fred Ward
Publisher:
Total Pages: 0
Release: 1997
Genre: Opals
ISBN: 9780963372383
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This book is the latest in the popular Fred Ward Gem Book Series. The full-color photographs give the buyer and enthusiast all the information needed to understand the various types of opals and the ability to buy them wisely.

The World of Opals

1997-10-02
The World of Opals
Author: Allan W. Eckert
Publisher: John Wiley & Sons
Total Pages: 490
Release: 1997-10-02
Genre: Nature
ISBN: 9780471133971
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Readers will find fascinating details about the discovery, whereabouts, and value of famous opals, from such classic specimens as the Burning of Troy Opal to the Bonanza Opal and other more recent discoveries. Finally, the book surveys today's major opal-producing areas and provides current information on opal occurrence worldwide. Punctuating the text are useful tables, extensive glossaries of opal types and opal-related terms, and beautiful photographs that capture the essence and mystery of this most exquisite stone.

Handbook

1975
Handbook
Author:
Publisher:
Total Pages: 180
Release: 1975
Genre: Geology
ISBN:
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Australian Books in Print 1998

1998-04
Australian Books in Print 1998
Author: Bowker
Publisher: Bowker-Saur
Total Pages: 888
Release: 1998-04
Genre: Reference
ISBN: 9781864520156
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"...excellent coverage...essential to worldwide bibliographic coverage."--AMERICAN REFERENCE BOOKS ANNUAL. This comprehensive reference provides current finding & ordering information on more than 75,000 in-print books published in or about Australia, or written by Australian authors, organized by title, author, & keyword. You'll also find brief profiles of more than 7,000 publishers & distributors whose titles are represented, as well as information on trade associations, local agents of overseas publishers, literary awards, & more. From D.W. Thorpe.

Opal

1982
Opal
Author: L. C. Barnes
Publisher:
Total Pages: 162
Release: 1982
Genre: Opal mines and mining
ISBN:
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Opal Identification & Value

2003
Opal Identification & Value
Author: Paul B.. Downing
Publisher: Gem Guides Book Company
Total Pages: 232
Release: 2003
Genre: Nature
ISBN:
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New edition with added chapters and sections. Provides all the information necessary for complete analysis and evaluation of any opal from a true gem. Properly identify opals from all over the world and what characteristics affect value. Breathtaking color photos throughout.