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Oklahoma Gem & Mineral Society Geology.com site Rockhounding: Amateur Geology (Wikipedia) Rock Types (at sandatlas.org) Diamonds, Rocks, And Minerals: All About Mineralogy Rockhounds Resource Page Other Rockhound & Rock Collecting Web sites The Mineral & Gemstone Kingdom Web site Mineralogy Resource Guide for Kids Home Hobbies: Rock Collecting, by HomeAdvisor Utah Rockhounds Page Rockhound State Park, Santa Fe, NM RockHound App for iPhone\iPad Back to Michael's Rocks page Back to Michael's Hobbies page Back to Michael Marcotte's HomePage