A Southwestern Field Guide to the Agates, Jaspers, and Opals, Volume I--The Geology of their Formation, Inclusions, and Structures

by Donald Kasper

The gold standard for those who want to know the bottom line how the agates, jaspers, and opals form and how to identify and classify them. A southwestern US field guide to the identification of the... This description may be from another edition of this product.

• Format: Plastic Comb
• ISBN: 0982759304
• ISBN13: 9780982759301
• Release Date: January 2010
• Publisher: Kasper Jasper Press
• Length: 464 Pages