num_pages: 64
description: This is a revised edition of OPALS and part of the Fred Ward Gem Book Series. The lavishly illustrated all-color book continues in the quality tradition of the other gem seven books in the series. Opals from Australia, Mexico, the USA, and other sites are included, as are mining, processing, sales, and care. This is a compact, beautiful, and informative coverage of this fascinating gemstone.
language: English
title: Opals
titlecomplete: Opals (Fred Ward Gem Book)
ratings_count: 7
publisher: Gem Guides Book Company