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This concise monograph provides a thorough, collector-oriented, review of the mica group, including recently described species.
This concise monograph provides a timely review of the minerals of the epidote group, including recent changes in the nomenclature and in-depth information on all presently known species.
The overall story of Wyoming's geology and history based on clues left in the state's rocks.
100 Unique Storied Agates. A delightful and alluring book.
The ultimate illustrated guide for non-scientists.
Visit dramatic vistas of erosion that reveal fossil discoveries.