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Author: Paul B.. Downing
Publisher: Gem Guides Book Company
ISBN:
Category : Nature
Languages : en
Pages : 232
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Book Description
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.
Author: Paul B.. Downing
Publisher: Gem Guides Book Company
ISBN:
Category : Nature
Languages : en
Pages : 232
Get Book Here
Book Description
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.
Author: Paul B. Downing
Publisher:
ISBN: 9780962531125
Category : Opals
Languages : en
Pages : 210
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Book Description
Author: Irene Aitkens
Publisher:
ISBN:
Category : Opals
Languages : en
Pages : 12
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Book Description
Author: Paul B. Downing
Publisher:
ISBN: 9780962531149
Category : Crafts & Hobbies
Languages : en
Pages : 97
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Book Description
Proven step-by-step approach to cutting opal. Easy-to-use guide that takes the beginner through the first stone to advanced cutting techniques, including doublet and triplet making.
Author: Walter Scott
Publisher:
ISBN:
Category :
Languages : en
Pages : 310
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Book Description
Author: Paul B. Downing
Publisher:
ISBN: 9780962531156
Category : Gem cutting
Languages : en
Pages : 0
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Book Description
Master opal cutting and design information applicable to any cabochon material. In this sequel to Opal Cutting Made Easy, Learn all the techniques regularly offered in other books plus new hints, information and ideas not previously in print!
Author: Isidore Kozminsky
Publisher:
ISBN:
Category : Charms
Languages : en
Pages : 488
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Book Description
Author: Stephen Aracic
Publisher:
ISBN: 9780959583021
Category : Opal mines and mining
Languages : en
Pages : 415
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Book Description
Author: Barrie O'Leary
Publisher: NAG Press
ISBN:
Category : Nature
Languages : en
Pages : 168
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Book Description
"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.
Author: Various
Publisher: Read Books Ltd
ISBN: 1473394120
Category : Nature
Languages : en
Pages : 44
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Book Description
This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience. Carefully selecting the best articles from our collection we have compiled a series of historical and informative publications on the subjects of gemology and crystallography. Each publication has been professionally curated and includes all details on the original source material. This particular instalment, "Opal Gemstones" contains information on their properties, origins, structure and much more. Intended to illustrate the main features of opal it is a comprehensive guide for anyone wishing to obtain a general knowledge of the subject and to understand the field in its historical context. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.
