January 28, 2011: GemStone publishes paper at SIMUTools 2011 ; July 08, 2010: GemFire's Data-Aware Execution Service achieves groundbreaking performance on recent ...
A gemstone or gem (also called a fine gem, jewel, or a precious or semi-precious stone) is a piece of mineral crystal, which, in cut and polished form, is used to ...
Interactive guide to the most popular gemstones. ... Some important gemstones are not here yet. We are constantly working on expanding this list.
A Complete List of Precious Gem and Semi-Precious Gemstones Groups, Colored Stones Varieties from Amethsyt, Ruby, Sapphire, Tourmaline and Spinel and More.
Detailed information and photos for over 100 gemstone varieties from around the world!
Amanda Gizzi with Jewelers of America provides tips for keeping your colored gemstone jewelry sparkling.
Be amazed by QVC's selection of gemstone jewelry. Shop our array of gems & birthstones including diamonds, turquoise, jade, sapphires, emeralds & more.
Adventure at your fingertips! Come to Gemstone IV, where you can explore a vast and detailed world over a decade in the making, triumph over ferocious monsters, cast ...
Click on the gemstone links below to see the history, legends and pictures of a specific stone. Gemstones Chart
What makes a gemstone? Generally speaking, a gemstone is a stone that is beautiful, rare, and durable (resistant to abrasion, fracturing and chemical reactions).