Other
The image.com: Minerals
This is a very large list of minerals complete with image and physical descriptions, chemical descriptions, and classification.
Jewelry Central
Jewely Central: Garnet
This commercial site provides a brief description of the garnet, along with historical background on the gem.
Curated OER
The image.com: Minerals
This is a very large list of minerals complete with image and physical descriptions, chemical descriptions, and classification.