The list of gemstones below will discuss the difference between a precious stone and a semi precious stone as well as guide you to where the gemstone treatments are discussed. What Is A Precious Stone? What is the difference between precious stones and semi precious stones? These terms are based on old traditions from the west. Secrets of the Gem Trade: The Connoisseur's Guide to Precious Gemstones I am a Graduate Gemologist and have been a professional gem dealer now for thirty years and I can say with some authority that Richard Wise’s Secrets Of The Gem Trade (2nd Edition) is /5(38). Gem Reference Guide (). Gemological Institute of America, Santa Monica, CA. Gems & Gemology in Review: Colored Diamonds. () Gemological Institute of America, Carlsbad, CA. Gems & Gemology in Review: Synthetic Diamonds. () Gemological Institute of America, Carlsbad, CA. A reference guide to gems, semi-precious stones and crystals. Gemstones and crystals are used for jewelry, industry, lasers and precision technology. Firefly Guide to Gems is a practical, compact guide to the identification and use of precious and 3/5(1).
Gemworld International. Product added. View Cart › Shop Account. Sign In Register; Pricing the world's most precious gems. Providing wholesale gemstone pricing, appraisal software, education, and appraisal tools for the jewelry industry. Get Started Our Story. The GemGuide. The book covers precious stones old and new including diamond, pearl, tourmaline, sapphire, chalcedony, spinel, ruby, and garnet. Check Price or Purchase Secrets of the Gem Trade: The Connoisseur's Guide to Precious Gemstones: Emerald and Other Beryls by John Sinkankas. Another excellent book by John Sinkankas. A gemstone (also called a gem, fine gem, jewel, precious stone, or semi-precious stone) is a piece of mineral crystal which, in cut and polished form, is used to make jewelry or other adornments. However, certain rocks (such as lapis lazuli and opal) and occasionally organic materials that are not minerals (such as amber, jet, and pearl) are also used for jewelry and are therefore often. The IGS Gem Price Guide covers commonly traded colored gemstones as well as more unusual, collectible gems. The values listed below are based on a variety of sources, including primary and secondary gemstone dealers, jewelers, miners, and wholesale suppliers.
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. Gem is a dazzling visual guide to precious stones, organic gems, and precious metals that weaves together beautiful, specially commissioned images and science, natural history, mythology, and true stories of adventure and discovery. From diamonds to sapphires to limestone, this comprehensive guide profiles all the key gemstones and other precious materials, and stunning/5. Called "One of the world's foremost gemstone connoisseurs," Mr. Wise's first book, Secrets of The Gem Trade, The Connoisseur's Guide to Precious Gemstones, published in , became both a commercial and critical success and is now considered a classic. Mr. Wise is /5(7). Rubies and sapphires are the two gem varieties of the mineral corundum. These precious stones are among the most valuable and desirable gems on the market. This book is a 6" x 9" paperback with 65 pages. More information, table of contents.