GIA’S GUIDE TO GEMSTONES: GEM ENCYCLOPEDIA
GIA’s Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. Each precious stone page features additional detailed gemological information, a buyer’s guide, photos, videos & research.
| Stone Name | Image |
|---|---|
| ALEXANDRITE |  |
| AMBER |  |
| AMETHYST |  |
| AMETRINE |  |
| AQUAMARINE |  |
| CITRINE |  |
| DIAMOND |  |
| FANCY COLOR DIAMOND |  |
| EMERALD |  |
| GARNET |  |
| IOLITE |  |
| JADE |  |
| KUNZITE |  |
| LAPIS LAZULI |  |
| MOONSTONE |  |
| MORGANITE |  |
| OPAL |  |
| PEARL |  |
| PERIDOT |  |
| ROSE QUARTZ |  |
| RUBY |  |
| SAPPHIRE |  |
| SPINEL |  |
| SUNSTONE |  |
| TANZANITE |  |
| TOPAZ |  |
| TOURMALINE |  |
| TURQUOISE |  |
| ZIRCON |  |