How to Photograph Gems & Jewelry
Learn tips and tricks for taking great photos of gems and jewelry, even from your mobile device’s high-resolution camera.
Reactor-Irradiated Green Topaz
Examination of samples of faceted "Ocean green" topaz reveals that this material has been irradiated in a nuclear reactor.
Altering the Color of Topaz
A review of the various techniques in use today to change colorless topaz to a variety of hues.