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No Two Opals Are Alike...
It Pays To Know The Difference!
  

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TO ORDER CLICK ON PICTURE

Completely Revised and Updated in 2003
  
  

What price would you place on these opal beads?
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Wondering how much your opal might be worth? Back by popular demand, this world-renown text by Paul B. Downing, Ph.D., has been completely updated and revised. New chapters have been added to help the reader buy opal and opal jewelry.
  
The opal market has not changed dramatically over the past few years, allowing the prices and value to be relevant to today's market.
A full color hardback book. Every opal buyer, seller and appraiser need to add this book to their collection.
  
Only $49.95 plus FREE U.S. Shipping
  
  

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A Beautiful Lightning Ridge Black Opal.

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 a confident buyer, seller or appraiser.
  • Distinguish an ordinary opal from an outstanding one.

  
  
  
   Many locations are covered, not just Australia. Numerous photos outline what characteristics you are looking for to determine what value should be placed on a stone. You'll follow along as each trait is explained in detail. It's true, "A photo is worth a thousand words!"
  
  

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Queensland Boulder Opal.

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Coober Pedy White Base Opal.

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 connisseur'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
  
"...working gemmologists-valuers...will gain much by learning how to successfully apply (Dr. Downing's) methodology to valuing opal." The Australian Gemologist
   
  

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