Opal Identification & Value
Paul B. Downing
214 pages, Hardcover
ISBN: 0962531189
ISBN13:
Language: English
Publish: 1037952000000
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.