Opal Identification & Value – Second Hand Copy
$150.00 Incl. GST
Revised, Expanded & Updated
Author: Paul B. Downing, Ph.D
Please note:
- This book is a second hand book.
- In very good condition.
- Sold as is.
In stock
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Opal Identification & Value - Second Hand Copy
What Others Say:
- "Downing is a professional in the field. He thinks opal. He breaths opal. He will go to opal heaven and he writes about opal with a connoisseur's eye and a lover's enthusiasm." - AGA Update
- "...the most thorough, easy-to-understand introduction to the evaluation of opals we've ever seen." - Rio Grande
- "...a readily understandable technique for determining any opal's variety and estimating its value." - Jeweler's Circular Keystone
- "(Paul Downing's) style is interesting, informal, and his descriptions are exact, and complete." - June Culp Zeitner, Lapidary Journal
- "...working gemmologists-valuers...will gain much by learning how to successfully apply (Dr. Downing's) methodology to valuing opal." - The Australian Gemologist
Learn How To...
- Properly identify opals from all over the world.
- Determine the characteristics that will affect value.
- Ascertain if the opal is a natural solid, boulder, doublet, triplet, dyed, or lab-created.
- Be able to ask definitive questions when considering an opal.
- Place a range of value on potential purchases.
- Learn what to look for in properly set jewelry.
- Become confident buyer, seller or appraiser.
- Distinguish an ordinary opal from an outstanding one.
A self proclaimed opalholic, Paul B. Downing, Ph.D has an international reputation as an opal expert having traveled extensively in Australia and throughout the United States cultivating his knowledge. In addition to the original Opal Identification and Value, he has written three other highly acclaimed books, Opal Cutting Made Easy, Opal Advanced Cutting & Setting and Opal Adventures. He has given numerous presentations for AGTA, GIA, the NAJA and lapidary and professional societies in Europe and the United States. His accomplishments include: inducted into the National Rockhound and Lapidary Hall of Fame, 1999, and winner of three AGTA Cutting Edge Awards for opal.
Please note:
- This book is a second hand book.
- In very good condition.
- Sold as is.
Additional information
| Weight | 0.8 kg |
|---|---|
| Dimensions | 24 × 16.5 × 2 cm |









