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Colorado gem trails and mineral guide
This collector's guide takes you on an extensive gem and mineral tour of the most strongly mineralized areas of the world.
222 pages, Hardcover
First published December 12, 1972
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Displaying 1 of 1 review
April 17, 2008
I actually used this book when I lived in Colorado to search for and dig up crystals. Pretty cool, I have to say. Informational if you live there.
Displaying 1 of 1 review