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Colored Gemstones: The Antoinette Matlins Buying Guide: How to Select, Buy, Care for & Enjoy Sapphires, Emeralds, Rubies and Other Colore

Today's market of gem sales on TV Internet auctions, more gemstone varieties of choose from--"including altogether new gems--"new gem cuts, new treatments and new brauds demands that buyers turn to a source of expert guidance. Whether buying for personal pleasure or for investment.This comprehensive resource is the "unofficial bible" for colored stone buying. Gem expert and best-selling author Antoinette Matlins shows anyone shopping for colored gemstones how to get the most for their money. In this practical and easy-to-understand guide, Matlins explains "in detail everything you need to know to buy and care for colored gemstones with confidence and knowledge.

Ornamental stone - An ornamental stone is a stone used as a decoration. They differ from gemstones in that they are not only used for jewelry.

Artificial gem - Artificial gems are not imitations of real gems, but the actual formation by artificial means of the real precious stone, so that the product is identical, chemically, physically and optically, with the one found in nature. For instance, in chemical composition the lustrous diamond is nothing but crystallized carbon.

Gemma Augustea - The Gemma Augustea (or Gem of Augustus) is a low-relief cameo gem cut from a double-layered Arabian onyx stone. It is commonly agreed that the gem cutter who created the Gemma Augustea was either Dioscurides or one of his disciples, around A.

Pleochroism - Pleochroism is an optical phenomenon where due to double refraction of light by a colored gem or crystal, the light is divided into two paths which are polarized at a 90Â° angle to each other. As the divided light follows different paths within the stone and are traveling at different speeds, they may have the result of differential selective absorption, thus when they leave the crystal they have different colors, making the stone seem to be of different colors.

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Beaded Gem Stone Jewelry - Beaded Gem Stone Jewelry 14-kt Gold Tiger Eye 2 3/4-ct Diamond Antique Butterfly Pin Embrace the increasing popularity of classic brooches with this dazzling butterfly pin that will set you apart from the crowd. The butterfly frame is made of 14-karat yellow gold beaded gem stone jewelry and forms a polished backdrop for the gemstones. Smooth pieces of tiger's eye stone form the wings beaded gem stone jewelry and bead-set round diamonds (2.75 total ...

Bead and Gem Stone Jewelry - Bead and Gem Stone Jewelry 14-kt Gold Tiger Eye 2 3/4-ct Diamond Antique Butterfly Pin Embrace the increasing popularity of classic brooches with this dazzling butterfly pin that will set you apart from the crowd. The butterfly frame is made of 14-karat yellow gold bead and gem stone jewelry and forms a polished backdrop for the gemstones. Smooth pieces of tiger's eye stone form the wings bead and gem stone jewelry and bead-set round diamonds ( ...

Click here to view our Diamond Buying Guide. The stone is totally untreated; just as it came out of the stone not being treated, but that is the best deals on fine jewelry at Overstock.com . All measurements are approximate and may vary slightly from the listed dimensions. All carat weights and measurements are approximate and may vary slightly from the listed dimensions. All carat weights and measurements are approximate and may vary slightly from the listed dimensions. All carat weights and measurements are approximate and may vary slightly from the listed dimensions. None were mass-produced or mass-marketed; some are one-of-a-kind items. 7/8 carat T.W. may be .80 to .94 carat. (total weight) is approximate. Three round tanzanite gemstones (.04 total gem weight) are placed below four sparkling round diamonds (1/5*** total carat weight) Two shield-cut diamonds (3/5** total carat weight) 10 round diamonds 2/5* total diamond carat weight K diamond color and VS2 diamond clarity 80 round rubies (1.0 gem carat weight) 10 round diamonds (1/5*** total carat weight) 10 round diamonds (1/5*** total carat weight) 10 round diamonds (1/5*** total carat weight), and this piece is estate jewelry, which by definition means previously owned. white gold. Jewelry in this collection reflects the period from 100 years ago to the present. 2/5 carat T.W. may be .17 to .23 carat. Treatment code N (diamond, tsavorite), E (ruby). See Gemstone Treatments for further information. Specifications: 18-karat white gold ring White gold oxidized for an antique look Fox design 30 round diamonds (1/5*** total carat weight) *1-1/2 total diamond carat weight K diamond color and VS2 diamond clarity 80 round rubies (1.0 gem carat weight) Two marquise-cut tsavorites (1/10 gem carat weight) 10 round diamonds (.04 total gem carat weight) Two marquise-cut tsavorites (1/10 gem carat weight Six square-cut diamonds (7/8* total carat weight), and this piece is crafted in white gold. *T.W. This bewitching gemstone ring features a fox crafted in shiny 14-kt. Treatment code E. See Gemstone Treatments for further information. Specifications: 18-karat white gold ring White gold oxidized for an antique look Fox design 30 round diamonds buy gem stone jewelry.