1. Hoffs Rock Shop
A family business since 1952. Hoffs Rock Shop is open 10 a.m. to 5 p.m. daily from Memorial Day through Labor Day Weekend, and at other times by appointment.
http://www.oliviahoff.com/
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Votes: 0 | Date: May 11, 2012 | Rating: 0

2. Minerals and fossils, MineralTown.com
Collecting rocks and minerals, Resources for worldwide mineral and fossil collectors with articles, photo galleries, search engine, and free classified ads.
http://www.mineraltown.com/
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Votes: 0 | Date: Jan 8, 2006 | Rating: 0

3. Rakovan, John
Professor in the Department of Geology at Miami University, Oxford, OH. Includes information on Dr. Rakovan's research and teaching in mineralogy and geochemistry.
http://www.users.muohio.edu/rakovajf/
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Votes: 0 | Date: Jan 8, 2006 | Rating: 0.00