Search The Directory The Web for Home > Science > Earth Sciences > Geology > Rocks and Minerals > Gemstone > Information New! Submit a site   whatUseek Directory Site Listings:   Russian Gemological Server - Business, research and educational projects in the gemology and jewelry fields.   South Carolina Gold Museum - Gold mining site.   Tasa Graphics Earth Exchange - Earth sciences information.   Texas Institute of Jewelry Technology - Gemology course.   The Image - Information about gemstone and mineral photography.   The Opal Association - An information site on Australian Opals.   University of Texas Gem Class - Gem and Mineral class at the University of Texas, Austin.   Winona State University - Geology Department.   Women in Mining - Mineral resources for teachers.     [ 1 2 3 ] Help build the largest human-edited directory on the web.   Submit a Site - Open Directory Project - Become an Editor

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