Opal Identification and Value

by Paul B. Downing

The world standard is back by popular demand! This completely revised, updated and expanded version of Dr. Downing's 1992 Opal Identification and Value is a "must have" for all appraisers, opal buyers... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0962531189
• ISBN13: 9780962531187
• Release Date: November 2002
• Publisher: Gem Guides Book Company
• Length: 212 Pages
• Weight: 1.25 lbs.