Sites and books that make up a useful reference for all kinds of gem-study.
Links:
- Gems.tv buyers guide- see A-Z gemstones in particular
- ICA - International Coloured Gemstone Association; all about coloured gemstones.
- JJKent’s precious stone guide - comes with eleven online volumes!
Books:
- Jewels; a secret history = Buried Treasure; travels through the Jewel box by Victoria Finlay
- Gems in Myth, Legend and Lore by Bruce G. Knuth
