61. Links gemstone Grading, gemology, Colored gems and Diamonds. Crystal Forest gem Treesgem trees are wire wrapped bonsaishape trees with natural gem stones attached http://natures-emporium.com/links.html

Front Porch Coffee Fresh custom roasted coffee beans and unroasted green coffee beans Asia-Gems.com Diamond and Colored Gemstone Grading, Gemology, Colored Gems and Diamonds. Crystal Forest Gem Trees Gem trees are wire wrapped bonsai-shape trees with natural gem stones attached then place on a Mineral or Crystal base. Great for any home are office decor. Soul Centered Careers Enhance your life with our unique life purpose discovery process. We offer individualized kits to help you realize your gifts, talents, and the careers best suited for you. Free newsletter with the latest information on astrology, numerology, iris analysis, and birth order. TURTLE ISLAND CREATIONS Gemwow - sells rare, unusual gemstones, and jewelry from Southeast Asia, especially Thailand and Burma (Myanmar). As genuine gemstones and nature lovers, we are happy to share with you these beauties coming from our homeland Autumn Gallery - Handmade Jewelry Explore our collection of contemporary art jewelry, handcrafted by goldsmith and jewelry designer Michael S. Cox. Overbrook Fountains The Largest Selection of Truly One-of-a-Kind Tabletop on the Internet. Photo and movie gallery.

62. Fire - Www.fireappliancesuk.co.uk world. gemology gem stones, lucky stones, birth stones, gem gems. gemology is an interactive section at Findyourfate.com. See http://www.fireappliancesuk.co.uk/white-zircon-gem-stones.html

white zircon gem stones WWW.FIREAPPLIANCESUK.CO.UK Top-quality White Zircon at GemSuite.com Thaigem.com - Discover The Secret gemstones and jewelry supplies at Thaigem.com, your online source for finding precious stones, jewelry and more! ... OVAL CUT TOP WHITE ZIRCON (FANCY COLORS ... 1.60 CT. Number of Gem: 2 Piece(s) ... OVAL CUT TOP WHITE ZIRCON (FANCY COLORS ... Gorgeous Artisan GemStone Jewelry - JEGEM.com Browse our extensive catalogue of stunning jewelry for a fantastic shopping experience. Our Gemstone Jewelry is unique and each stone hand cut with delivery available to anywhere in the world. Untitled Document ... gem is held over or beneath a strong white light source, and examined with the filter close to the eye. The value of the filter in testing green stones ... Menu white zircon gem stones

63. Crown Jewel's Link Directory - Gems And Minerals Hughes, featuring articles on Burma ruby, sapphire and jade, gemology, diamond grading are wire wrapped bonsaishape trees with natural gem stones attached then http://www.crownjewels.com/dir/gemsandminerals.htm

CROWN JEWELS ... STRANGE Properties of Stones. FUN! ACTION! FREE Healing Postcards. Find your prosperity, birth, and astrological gems. FREE Healing Stone Book Download, Online store. TRYX Hair and wirewrap Jewelry. Contests, Chat, Links, Classifieds. Home What's New About Crown Jewels Hair Tryx ... Ads New Age Search Engine Feed Back FREE Gem Stone Calendar Search our Link Directory all any Use spaces between your keywords Select a Theme Alternative Healing Anciant Civilizations Arts and Crafts Astrology Astrophysical Dreaming ESP and PSI Fantasy Gems and Minerals Ghosts Gifts Health Fitness Jewelry Magic Metaphysical Mythology Native American New Age Occult Prophecy Reflexology Relaxation Renaissance Retreat Center Runes Sacred Love Science Fiction Self Help Spiritual Education Tarot Travel UFOs Aliens Vegetarian Workshops Yoga Gems and Minerals Home Page Index Page Gems and Minerals Please support our Link Partners by visiting them. AZURE... AUSTRALIAN New Age Store specialsing in Crystals, Feng Shui Crystals, Spheres, Balls and Books on Crystals. We also offer a quality range of Metaphysical products and services. WORLDWIDE SHIPPING.... http://www.blueangelazure.com

64. Gems And Jewelry Institute of America gemology (Tradeshop Inc.) gems and More gems by Nathan gems by Nature gems Direct gems Precious stones (a course) gem Shop, Inc. http://www.geo.uw.edu.pl/HOBBY/GEM/gems.htm

HOME GEOHOBBY: AMBER FLINTKNAPPING FOSSIL COLLECTORS FOSSIL DEALERS GEOIMAGES GEOLOGISTS' BEER GEOLOGY ON MONEY ... BACK Uk³ad alfabetyczny wed³ug nazw / Alphabetical by names A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A Adamas Gemological Laboratory Afghan Connection AKT World - Fine Jewelry Albert's Sapphire Page (Australia) Aliwaffa Gem Company Ltd (Sri Lanka sapphires and ruby) All That Glitters (faceted coloured gemstones) Amber World American Gem Society American Princess Jewelry Amulet Gem and Jewelry ... Anand Gems (cubic zirconia) Apache Gems Kaufman Enterprises (rough and cut) Aqualit Top Stone Archean Butterstone (carving material) Artist Colored Stone Art of Stone, Silver and Gold Jewelry Asher Jewelry Asia Gems (faceted gemstones from Burma) Associate Jewelers Incorporated Association of Amber Craftsmen in Poland Association of Creators of Gold Crafted Forms (Poland) A to Z Colored Stones Auburn Precious Pearls and Diamonds Aussie Gems (coloured diamonds etc.)

65. Interesting Links About Gems From Dendritics The Canadian Institute of gemology Electronic magazine Link to the Pacific Institute of gemology (English, Deutsch Gems and Precious stones A great on http://dendritics.com/scales/gem-links.asp

Links about Gems from Dendritics Follow these at your own peril ! Gem and Mineral Photos The Smithsonian's Gem and Mineral Collection Their Photos As you might imagine, quite a few! Good browsing. (Thanks, John) Joel E. Arem - Gem and Mineral Images Gem Interest A totally French site about gemology and rocks. Sections on Gems, Minerals, Fossils, Jewelry. Has a very French flavor, from the backgrounds to the fonts to the jewelry itself. Like a little trip to France! Searchable Information Sources Mineral identification by keyword searching With nice mineral images , from The Mineral Gallery. Educational Sources Tips from the Jewelers bench; Lewton-Brain writings Over 300 pages of text and drawings on jewelry making, gemology and more. Categories: Starting to Make Jewelry, Tools, Construction, Casting, Stone Setting, Gemology, Surfaces, PR-Business, Critical Notes, Repairs, Recommended Books. Robert J. Williams, Ph.D.,G.G. ... Rockhound, Jewelry, Appraising Retired appraiser of Antiques, Gemstones, and personal property, Author of program Gemstone. The program covers over 650 minerals, and all gemstones. It is a compilation of formulas, data, and instructions for gemologist, mineralogist, and jewelers. Supplied information for The bench jeweler and appraiser as well as for the rockhound: the specific gravity, hardness, crystal system, refractive index, luster, fracture, cleavage, color, and chemical formula.

66. Astrology, Horoscope, Compatability Astrology, Chinese Astrology, Free Astrology online The ultimate guide to Astrology, Indian Vedic Astrology, Indian Astrology, Numerology, palmistry, vastu, panchang, gemology, gem stones, gems, death, http://www.astrology-search.com/directory.php?category=11000

67. Lapidary Links of gem stones with pictures about colored gemstones, diamonds, gemology, faceting, gemstone enhancements and gem trade shows....... Art Jewelry http://www.esconi.org/Lapidary Links.htm

E.S.C.O.N.I. Lapidary Links Lapidary Journal The premier magazine on Lapidary, Gems and Jewelry http://www.lapidaryjournal.com Gemological Institute of America A nonprofit educational resource for the gem and jewelry industry. http://www.gia.edu Canadian Institute of Gemology Canadian laboratory with gem courses, news, gem library, books and gem instruments. http://www.cigem.ca Gemfields.com The meeting place for Gemseekers, Tourists, and Miners alike, lots of stories, pictures and information about the CQ (Central Queensland, Australia) Gemfields and Sapphires http://www.gemfields.com Colored Gemstones Complete colored gemstone information resource. http://www.gemstone.org Gem Fashion Virtual community of jewelers, designers, gemologists or scientists. Site in both English and French. http://web.fc-net.fr/cupillard All About Jewels Illustrated alphabetical listings of jewelry terms, including fine jewelry, gemstones, costume jewelry, and jewelry making. http://www.AllAboutJewels.com Designer Jewelry The story of gemstones: their mineral composition and the myths surrounding the stones, their healing properties, beauty and history. http://www.designjewel.com/gemstones.htm

68. Gems-Gem Jewelry-Pearls foremost authority in gemology, diamond grading, jewelry education, gemology research, diamond and Silver Jewelry, and sell Loose Colored gem stones in Thailand http://www.gwensjewelry.com/links/gems-gemjewelry-pearls.html

Home Page Warranty Info Contact Us Jewelry Catalog ... Silver Search our Theme Area below Gems-Gem Jewelry-Pearls Home Page Antique-Coins-Collectible Artistic-Jewelry Arts and Sciences ... Woodworking-Wood Crafts Please support our Link Partners by visiting them. Bedazzle.Net,Jewelry,Clip on earrings,... Clip on Gem and Mineral stone earrings. Custom settings .Clip earrings.Costume and Custom earrings. Fashion jewelry... http://www.bedazzle.net Crown Jewels . . . Strange Properties of Stones... ... STRANGE Properties of Stones. FUN! ACTION! Send FREE Healing Postcards. Find your prosperity, birth, and astrological gems. Online store. TRYX Hair and wirewrap Jewelry. Chat, Links, Classifieds.... http://www.crownjewels.com Other important links. !Rockshop Gemshop The Noema Gems Rock and Mineral Shop Home Page... Noema Gems. com is a Virtual gemshop gemmine brochure with travel directions. Featuring wholesale and retail online sales of Gemstones, Minerals, Jewelry, Decorator Items, Crystals. Information Roc... http://www.noemagems.com

69. Gemstone Supplies: Gemstones Supplies and Lapidary Pages A gem dealer with a comprehensive introduction to gemology and the Specializing in the unusual, exotic, and hard to find gem stones such as http://www.jewelrycentral.com/WGB/GemstonesSupplies.html

Home Jewelry Central Store Jewelry Information Directory ... More Search Options Index Jewelry Central Store Fine Jewelry Stores Costume Jewelry Silver Jewelry Stores ... Wholesale Jewelry Shop by Product Best Sellers Rings and Bands Diamond Rings Engagement Rings ... Gemstone Pendants Shop by Material Diamond Jewelry Gemstone Jewelry Pearl Jewelry Gold Jewelry Siver Jewelry Personalized Gifts Gemstones Supplies Related Categories General Stores Hadcrafted Gemstone Jewelry Caboshons Faceted ... Wholesale Jewelry Supplies Rings Bracelets Earrings Necklaces Pendants Jewelry Central Store offers high quality fine jewelry and outstanding customer service. A huge selection of rings, bracelets, necklaces, pendants, earrings, wedding rings and personalized gifts in gold, platinum and sterling silver. Free Shipping, Gift Boxing, Gift Card and 30 Day Returns. A.D. Ventures Inc. Affordable emeralds and gold recovered from a shipwreck. All That Glitters Direct importers and facetors of fine quality colored gemstones for jewelers, goldsmiths and collectors. Art de Corps Hand-made jewelry made with antique and contemporary glass beads from Europe and Africa.

70. Crystal Healing With Ayurvedic Gems - Astrogems We also offer loose gem stones for those who would prefer to have their gems set locally. With certificates in gemology, I guarantee all my stones. http://www.astrogems.com/

Email: astrogems@yahoo.com Bangle Designs Secondary Gem Bangle The Starter Bangle ... Related Links Ayurvedic Astrological gems, especially when combined in nine-gem bangles (navaratnas), are a uniquely powerful way to mitigate and nullify the unpleasant effects of past wrong actions (bad karma). Astrological gem stone jewelry, whether in the form of multi-gem bangles , rings, bracelets, or necklaces , when made and worn correctly, can potently benefit a person's psychological tendencies, physical health, business affairs and relationships, while helping to minimize the impact of a wide range of negative conditions and situations. Testimonials of people who have experienced the benefits of crystal healing (particularly through nine-gem bangles), mention that the bangles help them improve concentration, lessen health problems, increase their focus on spiritual goals, and assist their meditations. The gems' singular usefulness rests in their ease and efficiency of natural healing. No will power or effort is needed by the wearer to receive the gem's ability to help counteract weakened planetary energies. It's one of the most effective forms of alternative healing. Ayurvedic Astrological Jewelry is the first company in the western world to be specializing and researching the natural healing benefits of customized navaratnas full time.

71. Gemology, Links For Mineralogists Go to Main Brazilian Precious stones, and Main and includes a gemological glossary, gem information charts, and published articles on gemology and related http://www.uni-wuerzburg.de/mineralogie/links/gemology/gemology.html

Home Gemology Gemology Categories Information about Gems and Gemstones All about Diamonds All about Opal Meta Indexes about Gemology ... Gemology Information about Gems and Gemstones Categories All about Diamonds All about Opal Meta Indexes about Gemology Introductions to Mineralogy@ ... Science History of Mineralogy, Mining and Geosciences@ Information about Gems and Gemstones About.com Zircon, Zirconia Jill Banfield and Hanna Cook-Wallace , Earth and Planetary Science, UC Berkeley: Gems and Gem Materials . The primary goal of the course is to present some introductory earth science and to provide students with a solid understanding of gemology. Melanie Bazer Casana , Walter Geology Library, General Libraries, The University of Texas, Austin: GEMS AND GEMOLOGY . A selected bibliography as well as some links to WWW resources. California Institute of Technology , Pasadena, California, Mineral Spectroscopy Server: The Colors of Minerals . Learn why minerals have the colors they do. Hershel Friedman , Monsey, N.Y.: The Mineral and Gemstone Kingdom . This is a free, interactive, educational guide to minerals and gemstones. Go to: Minerals A-Z and the Image Gallery GEMOLOGY WORLD . Website of the Canadian Institute of Gemmology. See also: GEMMOLOGY CANADA . The Newsletter of the Canadian Institute of Gemmology. GeoGem Gemmology . Information on the gemmological properties of gemstones, e.g. "Physical, Chemical and Optical Properties", "Basic Crystallography", "What Causes Color in Gemstones", etc.

72. Beaded Jewelry In Nelson, BC Offers handcrafted beaded necklaces and jewelry using precious stones, gems and crystals. Includes artist's profile, photo gallery, gemology and contact information. http://www.freyjadesigns.com/nelson_bc.html

Nelson BC I see Nelson BC as a vibrant central hub of West Kootenay healing arts practitioners, evolutionary consciousness and spiritual communities that span the region and the globe. Nestled between Crystal and Elephant mountains it is an age old meeting place of two pristine valleys and a river with the Kootenay Lake, that our indigenous ancestors of this land called: "the valley of the lost souls." It is a place where present-day spiritual seekers come to "find" themselves, who come to remember who they truly are. It is recognized as a power place on the planet. The Dalai Lama told his initiates who were studying at the Naropa Institute (in Colorado) to come live on Kootenay Lake. The Sufis computed detailed calculations of natural geopathic power grids of the earth and concluded that Kootenay Bay on Kootenay Lake is the most powerful place on the planet. Infrared imagery from orbiting satellites has shown the site of the largest crystal upon our Earth Mother: within Crystal Mountain where Nelson BC sits. Tibetan Buddhists, who are working to build a temple just outside Nelson, say the location is the exact geographical point that aligns with the Golden Temple on the other side of the earth in Tibet. It is said: Nelson is the crown chakra of the planet. Wholeness is celebrated everyday in simple practices here, and Well-Being as a way of life, is the norm, rather than the

73. Ayurveda Healing Stones And Gem Birthstones Ayurveda Healing gemstones gem birthstones. All gem stones, with the exception of inside the Earth. Healing stones are crystals of clear http://www.sanatansociety.org/ayurveda_home_remedies/ayurveda_healing_stones_gem

Ayurveda healing stones and gem birthstones Healing gem stones can be powerful talismans as birthstones against unfavorable planetary effects as well as effective medicins in all kinds of concrete diseases. Even though you will find a lot of free information here, the real teaching cannot happen online - browse our Seminars and Teachers section... With over 1000 pages! Free wallpapers Ayurveda Home Remedies All gem stones, with the exception of coral and pearl, are the finest and purest consolidation of minerals that exist, formed under extreme heat and pressure inside the Earth. Healing stones are crystals of clear and purified minerals that are also found in the human body. Healing stones serve as valuable agents of electromagnetic energy that influences the electrochemical nature of the human organism. The contact of healing stones with the electromagnetic field of the body becomes easy when they are embedded in pure electrolytes like copper, silver and gold or when in direct contact with the skin. Healing stones work with physiochemical energy as wel as with pranic energy, whether used as jewelry or taken orally as pastes or oxides. Healing stones absorb and produce specific energies that are related to the frequences of the light that they receive. These frequencies can be seen as colors and are related to planetary energies that go well beyond the visble light frequencies.

74. Current Projects/Bids/Estimates & Magic The Library of Congress for Custom Jewelry. Ladies gemStone Rings. gem Bezel Rings. Jewelry Specials About the gemology Pages author . . . If you have comments or additional the chance to http://www.tradeshop.com/gems

75. INSTRUCTIONS FOR THE SECOND CREDIT TERM PAPER FOR the most important source of information on gemstones is likely to be the journal gems and gemology . Where is the gem / precious stone formed (by http://ist-socrates.berkeley.edu/~eps2/wisc/2ndCredit.html

INSTRUCTIONS FOR THE SECOND CREDIT TERM PAPER FOR GEMS AND GEM MATERIALS IMPORTANT Students who sign up for two credits earn the second credit through writing a term paper. This term paper should be approximately 5 pages (double spaced) long. You should choose one topic from three categories (A,B, or C below). Please note that this will earn you physical science credit so that the content must be scientific (not art, folklore, etc.). If you wish to propose a topic not listed in any of the three categories, please email me to confirm the subject matter is acceptable. Please make sure you read the general instructions for preparation of your paper. These appear after the topics lists. Your paper will recevie a lower grade for the following reasons: (i) the paper is less than 5 pages, double spaced (12 point font) in length (ii) the source of information in the paper is not referenced. The information must be cited correctly (see below) (iii) you use fewer references that stipulated (see below) (iv) information is cited incorrectly (v) there is no reference list at the end of the paper (vi) the paper is poorly written (vii) web-references are not allowed. You must !! use books or journals as source materials. You will loose points for an insufficient number of "proper" references!

76. G E M O L O G Y Advance Search. gemology THE MYSTERY HIDDEN IN stones. Use of precious gems and stones has been an ancient practice in India. http://www.urday.com/gemo.htm

Pooja's Remedies Online Aarti Panchang ... Sacred Quotes Advance Search GEMOLOGY: THE MYSTERY HIDDEN IN STONES O ur great sages and polymaths perfected the art and the science of astrology in ancient times. As such astrology has witnessed continuous development and proliferated into many branches and divisions, all of which are equal in importance. Gemmology or the scientific and ethnic study of gemstones is an important and integral part of applied astrology. It is so popular among the Indian public that no one is certain as to when it had actually come into practice. Use of precious gems and stones has been an ancient practice in India. Some people believe that it is one or two thousand years old science while others maintain that science and art of gemmology originated about five or ten thousand years ago. Scriptural evidences however show that concept of gemmology is as old as the creation itself. A very famous hymn says: Apart from many kinds of weapons, Lord Vishnu bears Kaustubha Mani (a gem named Kaustubh) on his chest. This gem is most dear to Him. This hymn shows that even before the whole universe came into being, Lord Vishnu did have an existence and the gem Kaustubh also existed along with Him. During medieval period also, various scholars shed light on the science of gemmology. They authored many great scriptures as well. Acharya Varahmihir was the most prominent of those great scholars. A scripture Vrihat Samhita written by Varahmihir still has a wide recognition among the gemologists. It has a whole chapter, Ratnadhyay devoted to the comprehensive description of the gemstones. Among Puranas, Agnipurana contains exhaustive description about gemmology.

77. Gems, Jewelry And Mineral Specimens From Pala International Here you will find colored stones of every persuasion, including fine Burma com also features educational articles on all aspects of gems, gemology and mineral http://www.palagems.com/home.htm

Trade log-in: Password: home search gems new in stock gem news ... get password Site Text Search THE COLLECTOR Jewelry Mineral Specimens Gift Items ... Tsavorite Our Services About Pala Meet Our Staff Our Philosophy Contact Us ... Wants: Yours Fun Stuff Cast of Characters NEWS! NEWS! NEWS! Minerals! We have just uploaded a number of spectacular pieces from the private collection of a major mineral collector. Everything from dioptase from Tsumeb to apatite from Mexico. Check them out at this link. May 25: Holy carbon, Batman! Flawless diamond lost in Formula One race crash May 24: Sri Lankan sapphire hunters dream of hitting it big May 12: Search for diamonds in Falklands ... Nigerian Hot Pink Tourmaline Straight from the mines, we have spectacular hot pink tourmalines from Nigeria. THE LEARNING VAULT Buying gems: What light is best?

78. Looking For Gem Stone? Find It Here! Buy, Order Or Purchase Gem Stone Online. Fi Institute of gemology presents its ezine. The group also offers a library of gems and gem inclusions. http//www.cigem.ca/ Colored Stone Style, Selling http://www.diamond-jewelry-and-more.com/directory/Gemstones/gem_stone

gem stone Exquisite Jewelry at exceptional values! Browse through our huge selection of earrings, necklaces, pins, pendants, rings, bracelets and more. Gemstones > gem stone The Best gem stone Sites We've Found Huge Savings on all Gemstone Jewelry at Jegem! Look through our collection of bracelets, earrings, rings and more! http://www.jegem.com Cubic Zirconia - CZ Wholesale - Closeouts - PEHNEC Cubic Zirconia Diamond-like AAAAA to BC quality at most competitive prices. Large variety of fine loose Synthetic Gems. If you are looking for that special quality and price or closeouts please visit us. Bulk order inquiries are welcome. Since 1961. http://www.pehnec.com/ Gem Stone: Compare Prices At BizRate.com Compare prices from over 40,000 stores. At BizRate.com, find deals, consumer reviews, and store ratings to save money. http://www.bizrate.com/ Exceptional Value In Top-Quality Colored Gemstones GemSuite.com - Offering exceptional value in top-quality colored gemstones, including Emeralds, Rubies, Sapphires, Tsavorite, Tanzanite, Tourmaline, Zircon and more. Always free shipping and 100% satisfaction guaranteed! http://www.gemsuite.com/

79. Thailand Jewelry Stores Online Wholesale Loose Gemstones Rubies Emerald Pearl Pi Grussing, T. 1982. Carving gemQuality Opal. gems gemology, Vol. 18. No. 2, pp. 9599. Kennedy, GS et al. 1967. The Fundamentals of gem stone Carving. http://www.siamgemstones.com/thaigemstones_022.html

gems and gem stone wholesale, jewelry stores online, rings, earrings, blue yellow pink green fancy saphire ring saphires, ruby rings gemstone and rubies white sapphire ruby gem gemstone rings gemstone ... pink sapphire REFERENCES AND SUGGESTED READING Gray, F. L. 1983. "Engraved Gems: A Historical Per spective." Gems Sf Gemology, Vol. 19, No. 4, pp 191-201. Gray, M. 1988. "Faceting Large Gemstones." Gemi 6 Gemology, Vol. 24, No. I, pp. 33-42. Kennedy, G. S. et al. 1967. The Fundamentals of Gem stone Carving. Edited by P. D. Kraus. The Lapi dary Journal, San Diego. Kraus, E, H. and C. B. Slawson. 1947. Gems and Gew Materials. McGrawHill, New York, Chapter 8. Parsons, C. J., and E. J. Soukup. 1957. Gem Materiali Data Book. Gemac Corp., Mentone, CA. Quick, L. and H. Leiper. 1959. How to Cut and Polish Gemstones. Chilton, Philadelphia. Sinkankas, J. 1955. Gem Cutting: A Lapidary's Man ual. Van Nostrand Reinhold, New York. Sinkankas, J. 1962. Gem Cutting. D. Van Nostrand, Princeton, NJ.

80. Diamond Hiraka Astrology Benefit, Gem And Gemology Diamonds have the highest refractive index of any gem. They also have one of the highest dispersions of any colorless stone; it is this dispersion that gives http://www.vegetarian-restaurants.net/Gemology/Diamond.htm

HOME Eastern Gemology If you know of information that is not listed here, or if you would like to help update our listings, please e-mail us at: Diamond (Hiraka) Hardness 10, specific gravity 3.5, refractive index 2.42, dispersion 0.044. Asia is an important center for cutting and polishing diamonds. Many gems are processed in Thailand and Hong Kong, although other places in China are also becoming popular. Diamonds can be white, yellow, red, pink, black, green, blue, purple, or a rosy color. Colorless diamonds are usually considered the best, unlike with other gems. The color in a diamond is caused by tiny amounts of nitrogen (mostly yellows) or boron (blues) in the mineral deposit that becomes a diamond. The diamonds generally used to make jewelry are both colorless and flawless. The clearest, whitest diamonds are considered most valuable, but less than one percent of all diamonds mined are this color. Blue-white stones are also highly regarded. Most diamonds have a yellow or brown tint to them, which is usually not considered good. It is important to note that diamonds color enhanced by irradiation or heat treatments should be marked as such and should not be used for astrological remedies.

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