- Bash Rox
http://bashrox.net/
Intended for collectors of minerals, rocks and fossils. Features specimen photos and location descriptions and photos, as well as identification guides and links.
- Salt (MRBloch Archive)
http://www.salt.org.il/
A collection of material relating to salt [NaCl] and its influence on civilization. Includes sections on physiology, geology, archeology, palaeoclimatology, palaeogeography, production, religion, economics, and etymiology of salt.
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Education