A Complete List of Precious Gem and Semi-Precious Gemstones Groups, Colored Stones Varieties from Amethsyt, Ruby, Sapphire, Tourmaline and Spinel and More.
Gemstones Information and Gem Pictures Stone and Fossil Gemstone Chart See the chart below for gemstones pictures and description of stones.
Gemstones are often treated to enhance the color or clarity of the stone. Depending on the type and extent of treatment, they can affect the value of the stone.
Stories, photos, facts and information about gemstones from around the world!
Interactive guide to the most popular gemstones. ... Some important gemstones are not here yet. We are constantly working on expanding this list.
Gemstones: meanings & properties. Probably the first stone used for ornamental purposes was a smooth colored river rock. Or maybe a pretty river stone was spotted ...
Gemstone.org - International Colored Gemstone Association ... GIA Teams Up with Harvard Business School for Global Leadership Program
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