Blue Hollow Sapphire Mine and Fossicking Park
Science, Earth Sciences, Geology, Rocks and Minerals - Blue Hollow Sapphire Mine and Fossicking Park. Sapphire mine located near Sapphire in Central Queensland, Australia.
http://sapphires.bizhosting.com/
Nikolay Gospodinov Collection
Science, Earth Sciences, Geology, Rocks and Minerals - Nikolay Gospodinov Collection. Bilingual Russian and English language site with photos and information on the mineral and fossil collection of Nikolay Gospodinov.
https://nikolaygospodinov.tripod.com/
Rockhounding Arkansas by Mike and Darcy Howard
Science, Earth Sciences, Geology, Rocks and Minerals - Rockhounding Arkansas. An authoritative and comprehensive guide to Arkansas geology, minerals, and the hobby of rockhounding.
http://rockhoundingar.com/
www.perlite.net
Science, Earth Sciences, Geology, Rocks and Minerals - Perlite. Pictures, links, and a brief description of the properties and applications of this siliceous rock.
http://www.perlite.net/
Gold N Rocks
Science, Earth Sciences, Geology, Rocks and Minerals - Gold N Rocks. Gold nuggets and specimens, meteorites and display items.
https://www.goldnrocks.net/
Doodle's Fine Quartz and Minerals
Science, Earth Sciences, Geology, Rocks and Minerals - Doodle's Fine Quartz and Minerals. Arkansas Quartz and Wavellite as well as a large variety of mineral specimens from around the world.
http://www.finequartz.com/