Dictionary of Geological Terms

Softcover 571 pages

National Audbon Society Field Guide to North American Fossils

Softcover 846 pages
Full color photographs of over 400 fossils.  Arrangement by shape and color makes identification quick and easy

National Audubon Society Field Guide to Rocks and Mineral

Softcover 850 pages
794 color plates are cross-referenced to detailed descriptions of field patterns adn rock locations.  Excellent comprehensive index.


Hardcover 374 pages
Gems and Minerals Under Fluorescent Light
The complete source for understanding and locating fluorescent minerals.  Documents all major locations in the U. S. and throughout the world.  One of very few publications on this subject.  Includes experiments for home and school use.  Color photographs.

Opal Identification and Value

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