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In this section, you will find information sheets on various stones, diagrams of classic cutting techniques, and additional content. This section is currently under development.
Guide to traditional gemstones (diamond, sapphire, ruby, emerald)
Guide to distinctive gemstones (Opal, Spinel, Tanzanite , Tourmaline, Garnet, Zircon)
Safety Guide
See the guides for diamonds, sapphires, rubies and emeralds
See the guides on opal, spinel, tanzanite, tourmaline, garnet and zircon
Guide to Organic and Special Gems (Pearl, Moonstone, Malachite)
Guide to lapidary cutting schemes (classic brilliant scheme e.g. classic round brilliant)
Guide to rare gems and varieties (Varieties of corundum, garnets, opals, tourmalines and the rarest gems)
See the guides on Pearls, Moonstone and Malachite
See the lapidary cutting diagram guides
Guide: Gemstones and Crystals (Amethyst, Aquamarine, Citrine, Peridot, Topaz Quartz)
See the guides: Amethyst, Aquamarine, Citrine, Peridot, Quartz, Topaz
Guide to classifying the transparency, tones, and colors of gemstones
Gem and Precious Stone Grading Guide
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