Encyclopedia of Earth
Encyclopedia of Earth: Titanium
Information about the element, Titanium, atomic number 22. Covers its initial discovery, physical properties, atomic properties, how abundant it is on the Earth, and details about health-related regulations. Also discusses sources, uses,...
Other
The image.com: Minerals
This is a very large list of minerals complete with image and physical descriptions, chemical descriptions, and classification.
Curated OER
The image.com: Minerals
This is a very large list of minerals complete with image and physical descriptions, chemical descriptions, and classification.