Australian Opals In Colour
Title | Australian Opals In Colour PDF eBook |
Author | Nance Perry |
Publisher | |
Pages | 96 |
Release | 1980 |
Genre | Opals |
ISBN | 9780589502591 |
Australian opal in colour
Title | Australian opal in colour PDF eBook |
Author | Nance Perry |
Publisher | |
Pages | |
Release | 1996 |
Genre | |
ISBN | 9787000139039 |
The Opal Story
Title | The Opal Story PDF eBook |
Author | Andrew Cody |
Publisher | |
Pages | 40 |
Release | 2009-12 |
Genre | |
ISBN | 9780646505381 |
Opal: the Gem of the Never Never
Title | Opal: the Gem of the Never Never PDF eBook |
Author | T. C. Wollaston |
Publisher | |
Pages | 228 |
Release | 1924 |
Genre | Frontier and pioneer life |
ISBN |
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 Opals in Color
Title | Australian Opals in Color PDF eBook |
Author | |
Publisher | |
Pages | 0 |
Release | 1969 |
Genre | |
ISBN |
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.