Incoming Resources
- Gemstones, Cally Hall ; photography by Harry Taylor
- Steven Universe., produced by Jackie Buscarino ; written by Matt Burnett [and 4 others], Season 1, Widescreen
- Crystal & gem, written by R.F. Symes and R.R. Harding
- Shimmer and shine, Widescreen
- Crystal & gem, written by Dr. R.F. Symes and Dr. R.R. Harding
- Firefly guide to gems, stone & crystals
- Gems, the world's greatest treasures and their stories, by Bernhard Graf