A Guide to Australian Precious Opal
Title | A Guide to Australian Precious Opal PDF eBook |
Author | Douglas M. Stone |
Publisher | |
Pages | 110 |
Release | 1976 |
Genre | Opals |
ISBN | 9780701806118 |
A Guide to Australian Precious Opal
Title | A Guide to Australian Precious Opal PDF eBook |
Author | Douglas M. Stone |
Publisher | |
Pages | 111 |
Release | |
Genre | Opals |
ISBN | 9789050075688 |
A Field Guide to Australian Opals
Title | A Field Guide to Australian Opals PDF eBook |
Author | Barrie O'Leary |
Publisher | NAG Press |
Pages | 168 |
Release | 1977 |
Genre | Nature |
ISBN |
"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.
Australian Precious Opal
Title | Australian Precious Opal PDF eBook |
Author | Andrew Cody |
Publisher | |
Pages | 65 |
Release | 1991 |
Genre | Opals |
ISBN | 9780646016146 |
Australian Precious Opal
Title | Australian Precious Opal PDF eBook |
Author | Archie Kalokerinos |
Publisher | |
Pages | 51 |
Release | 1972 |
Genre | Opals |
ISBN | 9780668026840 |
The Book of Opals
Title | The Book of Opals PDF eBook |
Author | Wilfred Charles Eyles |
Publisher | Tuttle Publishing |
Pages | 234 |
Release | 1964 |
Genre | Antiques & Collectibles |
ISBN |
A comprehensive account of this gem stone by a professional mineralogist, lapidary and dealer in opals.
Opal Identification & Value
Title | Opal Identification & Value PDF eBook |
Author | Paul B.. Downing |
Publisher | Gem Guides Book Company |
Pages | 232 |
Release | 2003 |
Genre | Nature |
ISBN |
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.