Bash Rox(site info)
Intended for collectors of minerals, rocks and fossils. Features specimen photos and location descriptions and photos, as well as identification guides and links.
http://bashrox.net/
Matt's World of Minerals(site info)
Site dedicated to the visual learning of Minerals and Geology, containing pictures and information on geology, minerals, and fossils. Also has links to shops, encyclopedias, and a mini-geology database.
http://hometown.aol.com/mattalic
5.
Neville R. Hill(site info)
A consultant for mining and minerals. He has been published on development of non-metallic rock and mineral resources and building materials production especially in developing countries.
http://www.imbm.btinternet.co.uk/