61. Hobbies & Crafts, Collecting, Rocks, Gems, And Minerals, gemology, equipment techniques, jewelry, crystals, gemstones, 100 tanzanite gem, tanzanite gem stone, tanzanite gems ( Members, 34 Views) http://dir.webring.com/rw?d=Hobbies___Crafts/Collecting/Rocks__Gems__and_Mineral

62. Modern View Of Planetary Gemology but according to Eastern planetary gemology, diamonds bring nothing but It is in fact better to wear no gems at all than to wear flawed stones. http://www.p-g-a.org/view.html

63. LiuLabs Service 3 The gemstones with the alexandrite effect are usually more valuable and sought 7. Applications of digital imaging system to gemology, 8. gem quality http://www.liulabs.com/gemology.htm

Liu Research Laboratories, LLC Pyrometry C o l ... Contact Gemological Laboratory This Laboratory has been engaging in gemological researches, and also provides gemstone identification services. The research projects including identification of treated type IIa diamonds, the diamonds colors caused by plastic deformation with other color centers, the alexandrite effect, colors phenomena in gemstones, fluorescent color of gemstones, advanced digital imaging system for gemstones. We provide GE POL diamond identification, synthetic moissanite identification, jadeite identification, and gemstone identification. We issue gemstone identification report with necessary spectral curve, such as FTIR spectrum for jadeite identification. We include a digital image of the reported gemstone in its report. The digital image can be used as a digital "fingerprint" and saved in our Lab for future rechecking. Color Grading of Colored Diamonds We are developing a new precise color grading system for colored diamonds. This system is in the uniform CIELAB color space, and all color grades are basically uniform. A color grade terminology is associate with the system. This system is suitable for both color measurement using spectrophotometers and visual color grading with a color system, such as the Munsell color system, the Natural Color System, or the Pantone color system. Instrumentation Currently, we are developing an instrument: Fluorescence Spectrophotometer for fluorescence color measurement of diamonds. The Fluorescence Spectrophotometer consists of spectrophotometer, a standard light source, a integrating sphere, and other special parts, under a standard geometry. This instrument can measure the fluorescent spectrum of a diamond under a standard light source and a standard geometry. This spectrum is used to calculate the color of the fluorescence for color grading purpose, as well as to study the contribution of the fluorescence to the color appearance of the diamond.

64. The Study Of Gems - Answerbag FAQ Semiprecious stones, precious gems, rare ores, and other fine things. gems, rare ores, and other fine things. Home » Index » Hobbies » gemology http://www.answerbag.com/c_view.php/2326

The study of gems Semi-precious stones, precious gems, rare ores, and other fine things Home Index Hobbies Gemology Questions How is the value of a diamond determined? What is the largest diamond ever found? How can you see the difference between a synthetic gem and a natural one? Ask a question ... How is the value of a diamond determined? A (100%, 6 ratings) submitted by Balaji A , 94%, 16 ratings), Apr 9, 04 Carat: The unit of weight used for diamonds. There are 100 points to a carat, so a 99-point diamond weights virtually 1 carat, and 45-point diamond weights a little less than half a carat. Color: Grading a cut stone for color means deciding the amount by which it derives from the whitest possible. Completely white (truly colorless) diamonds are rare, and therefore most valuable. Although most diamonds are a shade of white, diamonds come in all colors, including blue (Hope Diamond), apple yellow, canary yellow, pink, red, green, and even brown. Colored diamonds (called "fancies") are prized for their depth of color, just as white diamonds are valued for their lack of color. Clarity: Nature makes each stone unique. Some contain more imperfections (called "inclusions") than others. The fewer inclusions, the more valuable the diamond. A diamond's clarity is determined by taking into account the size, nature, and placement of these imperfections. (Keep in mind that slight flaws can not be detected by the naked eye and don't affect a stone's beauty.

65. A.G. Nisama Limited Gem Rough And Gem Stone Exporters gemstones, Rocks, Cabochons, Minerals http//www.gemstonefinder.com Asia-gems.com gemstones, gemology, grading, diamonds and gem information http://www.agnisama.com/index.php?page=links

66. Gems And Gemology Gems are precious or semiprecious stones, crystals or other substances whose color Gems and gemology. Gemological Institute of America 5345 Armada Dr. http://www.lib.utexas.edu/geo/gems.html

@import url("/utlol-2nd.css"); Skip to Content Home Sitemap Help SEARCH: choose an area to search Library Web Site Library Catalog How Do I...? Web About the Libraries Libraries, Centers, and Museums Hours Parking ... Parking GEMS AND GEMOLOGY The University of Texas at Austin / the University of Texas Libraries Walter Geology Library rev. 7/2000 Gems are precious or semi-precious stones, crystals or other substances whose color and sparkle can be enhanced by special cutting. Gemology is the science of gems. This guide is prepared for the assistance of students in GEO 347k, Gem and Gem Minerals, and refers (with the exception of internet links) to materials available in the Walter Geology Library, The University of Texas at Austin. INTERNET RESOURCES Gemological Institute of America http://www.gia.edu/ National Gemstone's Web Page http://www.preciousgemstones.com Amethyst Galleries, Inc's Mineral Gallery http://mineral.galleries.com/ Mineral and Gemstone Kingdom http://www.minerals.net/ University of Wisconsin Geology Dept. Web Page, gems class

67. Gem Material Any Rough Material, Either Natural Or Artificial gemstones effectively. Employs either a monocular or a binocular microscope. One who has mastered gemology. gemology. a. The science of gems. CFgemmary http://www.maden.hacettepe.edu.tr/dmmrt/dmmrt492.html

Next page Previous page gem material Any rough material, either natural or artificial, that can be fashioned into a jewel. CF: gemstone gem mineral Any mineral species that yields varieties with sufficient beauty and durability to be classed as gemstones. Gemolite An illuminator used to observe inclusions and other imperfections in gemstones effectively. Employs either a monocular or a binocular microscope. gemologist a. One who appraises gems. Also spelled gemmologist (U.K.). b. One who has mastered gemology. gemology a. The science of gems. CF: gemmary b. The study of fashioned minerals, their imitators and substitutes both natural and synthetic, prized for their beauty and durability. It concerns composition, structure, occurrence, origin, fashioning, and identification of gems, some of which are minerals and some of organic origin, e.g., pearls. CF: descriptive gemology determinative gemology gem pearl a. A term used for those better qualities of fine pearl that possess a rose or other particularly desirable orient. Does not include white pearl. b. An iridescent pearl, perfectly spherical, with maximum luster of even

68. Loose Gem Stones - Loose Stones - Cut Gemstones From ShopNBC Loose gem stones from ShopNBC include a variety of cut gemstones and other loosestones for custom gemstone jewelry designs. http://www.shopnbc.com/product/?familyid=J151812&storeid=1&track=9&taxid=9&propi

69. YourGemologist And The International School Of Gemology Present The Study Of The The largest gemology study and reference site on the internet. The GemstonesSection is sponsored by the International School of gemology, http://www.yourgemologist.com/thegemstones.html

The Gemstones Section is sponsored by the International School of Gemology, and will be presented in three stages. First for Consumer Information to answer some of the frequently asked questions about the various gemstones. Then General Information for anyone wanting to know more technical information about the gemstone. And then the Gemological Information for gemologists is available through the International School of Gemology. To learn more about gemstone identification and grading visit the International School of Gemology Amethyst Amber Amazonite ... Return to Home Page Robert James FGA, GG..... Your Gemologist

70. Books On General Gemology And Gemstones Free consultaions! Gemstones, gemology, lore and legend. Ask a gemologist! General gemology and Gemstones Live in the UK? Click here for books! http://galleryvoltaire.com/books1.html

B ook S hop: General Gemology and Gemstones Live in the UK? Click here for books! In addition to the following books, here are links to my favorite magazines: Lapidary Journal Colored Stone Metalsmith Ornament Gems and Jewelry: General Gemology, Gemstones and General References Buying and Pricing Gemstones Gems:Myth, Legend and Metaphysics Jewelry Making and Metal Working ... Jewelry Individual Gems Diamonds Sapphires and Rubies Jade Opals ... Amber by Anna S. Sofianides Gemstones: Symbols of Beauty and Power by Eduard J. Gubelin, Franz-Zaver Erni

71. Jewelry, Diamonds, Gemstones, Automobiles, Auto Care, Cheap Airline Ticket, Hote Gemstone Jewelry, Diamonds, Colored Gemstones, gemology, Lapidary, Jewelry Diamonds, Gold, Silver, Platinum, Colored Gemstones, gemology, Lapidary http://www.clicka2z.com/

Jewelry, Diamonds, Gemstones, Automobiles, Auto Care, Cheap Airline Ticket, Hotels, Computers, Electronics, Apparel Shop online at ClickA2Z.com from the comforts and security of your home or office for everything you've always wanted - for you, your family and your lifestyle. Translate this Web Page to French Spanish Italian Portuguese German Car Care Children's Corner Computers Electronics ... Wines to send Free E-Cards FREE 170 Page Book! Common Sense Web Marketing by David Notestine Click here to send us an Email for the link to download a copy of this 170 pages e-book. You can shop online at ClickA2Z.com without leaving the security and comforts of your home or office. Here you can buy Auto Care Products Automobiles Motorcycles Used Cars ... Wines Products for your Office; Electronics and much more ... SEPTEMBER NEW ARRIVALS IT'S TIME TO WELCOME OUR LATEST COVETED DESIGNS AND DEFINE YOUR FALL STYLE. Wedding and Anniversary Bands Click here for: Certified Loose Diamonds, Best Selection, Best Prices at Szul.com Cuff-Links at FORZIERI Diamonds, White Gold, Yellow Gold at ICE.com Engagement Settings ... Superlinks - Link Exchange This site is a member of WebRing. To browse visit Here Programming jobs - IT Outsourcing Bloggers - Free blog - Free blogging - Free blog hosting service featuring search engine friendly URLs, multiple authors per blog support, multilingual support, pre-installed scripts and templates

72. GemLand (R) - Arizona Gemstones, Fine Custom Jewelry, Arizona Geology Tours, Ari Arizona Gemstones, Arizona Geology, Turquoise jewelry, Arizona Peridot, FourPeaks Amethyst, scenic tours, Arizona geology, geological tours, gemology http://www.gemland.com/

updated September 21 If you like rocks, gems, geology, hiking, in the sky, SUBSCRIBE to our FREE EMAIL NEWSLETTER. Call us at FREE inside GemLand over 100 scenic views around Phoenix send them to your friends as E-Postcards! TOUR THE VALLEY OF THE SUN without leaving your chair ... Experience the beauty all around us, and share it with others! View over one hundred different scenes of the landscape and exotic rock formations around Phoenix and Scottsdale. Rocks are our love and our specialty. Look through our website there are over 300 pages on it for you to explore! Discover rocks of all kinds. There are precious little rocks you can wear , bigger rocks you can walk around on , and really big rocks in space that you can see through our telescopes Which kind of rocks do you love?

73. Gemological Services From GemLand (R) -- Diamonds, Rubies, Sapphires, Emeralds, Back to GemLand Home Page gemology, Geology, and Stargazing. Many peopleforget that diamonds and other gemstones are really just rocks, too! http://www.gemland.com/gemology.htm

If you like rocks, gems, geology, hiking, SUBSCRIBE to our FREE EMAIL NEWSLETTER. Precious Gemstones Gemological Resources Click on a State or View Detailed Directory Below Arizona Peridot Ring Many people forget that diamonds and other gemstones are really just rocks, too! It is the art of the cutter that transforms them into wearable precious jewels. The world of gemstones is becoming increasingly complicated, as new treatments, synthetics, and deceptive enhancements become ever more common and hard to identify. Our gemstone business began out of an interest in the minerals and crystals from which gems are cut. Over 20 years of experience has led GemLand ® to some of the best diamond and gem sources in the world. With us, you are assured of knowledge, quality, and the most cost-effective way of purchasing a fine gemstone. Please look at our " testimonials " page for some of the written comments we've received over the past years.

74. Gemology Tools GT Gemstones This gemology software version is for the gemstone enthusiast orgemology student. You get the same Gemstone Database that is in gemology http://www.gemologytools.com/

Buy GT Pro Read What Others Say About GT Gemology Tools is now in it's 11th year on the market! NEW!! Version 6.6 Released! If You Are A Professional Jewelry Appraiser You Want: Gemology Tools Professional: This is the gemology software version for the professional gemologist/appraiser. Gemology Tools Professional is the most complete gemology software reference available . If you do jewelry appraisals and want to save yourself time Gemology Tools Professional is a must have. Time is money and Gemology Tools Professional saves you time. If You Are A Gemstone Enthusiast or Gemology Student You Want: GT Gemstones: This gemology software version is for the gemstone enthusiast or gemology student. You get the same Gemstone Database that is in Gemology Tools Professional, the Gemstone Separator , the Inclusion Gallery , the same 800+ gemstone photographs , the Unit Converter, the Card File, the Calculator and the Calendar/Appointment Book. You'll also get the Diamond, Baguette and Colored Stone Weight Charts. All of this for half the cost! And, you can always upgrade to GT Pro for $30.00. Color & Light, the quarterly journal of the International Gem Society calls Gemology Tools "the most complete database of gem information ever assembled."

75. Gemstones Jewelry Information on Gemstones jewelry and fire mountain gemstones. Get info onherkimer of or tanzanites, etc. emerald cut, , gemology Gemstones jewelry . http://www.worldwidereplica.com/jewelry/fine-art/gemstones-jewelry.htm

What is Gemstones jewelry? Home loose gemstones wholesale gemstones precious gemstones ... wholesale gems faceted loose gemstones. fancifuls looese gemstoes , wholesale gemstones related to whoelsale gemstone rough gemstones and creative beginnings precious gemstones etc. pleciiis gemstone by semi precious gemstones. About beads jewelry semi pretius gemstnes depends on carat. natural gemstones. chrysoprase and birthstones natral gemstoned garnets and gold mineral colored gemstones is focused on colored gemsones features. synthetic gemstones or sintehtik gemstoes is focused on gemstones wholesale, gemstons wolesale , gemstones jewelry etc. genstones joolrie and find details of meanings of gemstones, meaings of gemstomes gemstones for sale is focused on genstones for sale , birthstone gemstones, brthstone gemstines . What's rough gemstones depends entirely on riugh genstones , gemstones pictures and search for gemstoes picturrs The best thing about ruby gemstones, ruby gemstoes search. gemstones com

76. EMERALDS C.I. GEMTEC LTDA COLOMBIA GEMSTONES BROKERAGE GEMOLOGY COLLECTIBLES A site dedicated to emeralds from Colombia,lots of helpfull information aboutColombia,the gemstone trade,gemstone publications,gemology labs,inclusions,and http://www.gemtec.com/

Version en Español gemtec@cable.net.co Design by: FotoWeb

77. Gemstones/Gemology GEMSTONES / gemology. Diamonds. David Pattison, 403220-3263, pattison@geo.ucalgary.ca,Science (Geology Geophysics). gemology - General http://www.ucalgary.ca/experts/G Indexes/Gemstones Gemology UofC.htm

EXPERTS ONLINE Back to Main Experts Online Index GEMSTONES / GEMOLOGY Diamonds David Pattison, 403-220-3263, pattison@ucalgary.ca Gemology - General Frederick Cook, 403-220-6594, cook@litho.ucalgary.ca

78. Basic Gemology - The Study Of Gemstones Basic gemology The Study of Gemstones. Gold, Platinum and Diamond Rings.Mondera Diamonds and Diamond Rings. http://www.asia-gems.com/gemology/basics.htm

Diamonds - Ruby - Sapphire - Spinel - Gemstones - Jewelry Gem Basics - Diamond Grades - Pearls - Settings - Colored Gems Home Diamonds Colored Gems Pearls ... Grading Gem Basics Some page features require JavaScript - reposition info window by dragging A Gem is a gem because it is Beautiful and Durable and Rare If something does not meet these three criteria, it cannot be a Gem. Some Terms Commonly Used with Faceted Gems Technical Details of Visual Corundum Spinel Mineralogy Corundum Spinel Crystal Structure Corundum Spinel Physical Properties Corundum Spinel Optical Properties Corundum Spinel Carat Weight Related to Value For a more detailed presentation on a greater variety of gems, visit The University of Texas Gemology Program Site . It is excellent and goes far beyond the scope of the Asia-Gems.com site. You can study crystallography online at Crystallography and Mineral Crystal Systems an exceptional site by Mike and Darcy Howard who do a much better job of discussing crystals than we ever could. Gemology Crystals Gem Info Light in Gems ... @Contact Us @=cross link

79. Gemology World - Can. Institute Of Gemmology gemology World is the interactive website of the Canadian Institute of The following gemstones are the more popular ones usually found in retailstores. http://www.cigem.ca/510.html

80. Paris Junior College : Gemology: The Science Of Gemstones Learning to grade and classify gemstones is but one part of “gemology for theJeweler,” available at the Texas Institute of Jewelry Technology. http://www.parisjc.edu/index.php/tijt/content/203/

@import "http://www.parisjc.edu/index.php?css=tijt/css-tijt"; PJC HOME About TIJT Jewelry Technology Bench Technician ... Horology Gemology: The science of gemstones Harrel Harrison Jewelers of America Certified Master Bench Jeweler TIJT Main Page Contact TIJT General Information A time-honored profession From The Bench Jewelry Technology Technology meets craftsmanship Bench Technician One course, two certificates Gemology Gemology: The science of gemstones Horology Watchmaking: Ancient craft Design Contest Spring '05 Design Contest The Bench A publication of the TIJT Student Association. Spring 2005 (PDF / 688K) TIJT is affiliated with Gem-A , The Gemmological Association and Gem Testing Laboratory of Great Britain. var site="sm3dragons24" Whether taken as a stand-alone course or as part of further studies at the Texas Institute of Jewelry Technology, "Gemology for the Jeweler" will enhance your credentials in the jewelry industry. The science dealing with gemstones art: The quality, production, expression, or realm of what is beautiful, or of more than ordinary significance What makes a ruby red? Why is an emerald green, or a topaz yellow? Are all sapphires blue? What makes a diamond sparkle, or an opal glow?

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