Incoming Resources
- Gemstones, a jewelry maker's guide to identifying and using beautiful rocks, Judith Crowe
- Groovy gems, Christine Petersen
- Investigate gems, Christine Petersen
- The jeweler's directory of gemstones, a complete guide to appraising and using precious stones, from cut and color to shape and setting, Judith Crowe
- Gemstones, Connor Dayton
- Gems of the world, Cally Oldershaw
- DK rock and gem, Ronald Louis Bonewitz, consultants Margaret Carruthers, Richard Efthim