Here you will find the internet's largest gemology study and reference site that is totally free. This information is for anyone wishing to learn more about the world of gemology. It is free with only very loose copyrights as listed below. Anyone in the world can download anything you need for your own personal study. Press the link image or name of the category below to visit that section. Please Note: We are currently migrating the entire website to become mobile friendly for all of our smart phone and tablet visitors. This will be an ongoing effort that may take some time. Thank you for your patience.