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Topic: Moissanite

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	Moissanite - Wikipedia, the free encyclopedia
		Naturally occurring moissanite is extremely rare, as it is not formed naturally in any quantity within the Earth, and thus is found only in tiny quantities in certain types of meteorite and as microscopic traces in corundum deposits and kimberlite.
		Natural moissanite was first found in 1905 as a small component of a meteorite in Arizona by Dr. Ferdinand Henri Moissan, after whom the material is named in the gem market.
		While some properties of moissanite are closer to diamond than those of cubic zirconia, another synthetic diamond simulant, once its properties are known moissanite is perhaps even easier to identify.
	en.wikipedia.org /wiki/Moissanite (489 words)

	Moissanite
		The present study of natural moissanite as well as that of synthetic α-SiC indicates that morphological criteria for the distinction between upper and lower forms are inadequate, and that etching is necessary for their reliable distinction.
		The Bohemian moissanite is represented by a high-temperature α-SiC polymorph formed in the range from 1900 to 2000° C. This high temperature of formation and the presence of fragmental crystals indicate that the moissanite and associated volcanic breccia came from a great depth.
		However, the moissanite in Bohemia is associated with distinctly hydrothermal minerals such as galena, pyrite and fluorite which normally form at shallower depths.
	www.minsocam.org /msa/collectors_corner/arc/moissanite.htm (1707 words)

	MOISSANITE (Silicon Carbide)
		Moissanite is a mineral that was first discovered in fragments of the meteorite at Diablo Canyon or Meteor Crater in Arizona.
		Moissanite grown in laboratories is now being cut as gemstones and they are used as diamond simulants.
		Moissanite brings to the jeweler's table a similar index of refraction and better than twice the fire of diamond, but is only slightly less expensive due to the difficulty in growing the crystals.
	mineral.galleries.com /minerals/elements/moissani/moissani.htm (620 words)

	Moissanite On The Net - What is Moissanite (Site not responding. Last check: 2007-10-22)
		Moissanite has a hardness rating of 9.25 on the Mohs scale, making it the second hardest jewel known to man. This makes it harder than a steel file, and gives it the ability to easily cut glass.
		Moissanite is resistant to the chipping or shattering that may occur during normal wear.
		Moissanite is one of the toughest jewels known to man.
	www.moissaniteonthenet.com /level.itml/icOid/81 (352 words)

	From The Sky - Your Choice For Moissanite Jewelry On The Net
		Moissanite created by Charles and Colvard is a stunning new jewel that has fire, brilliance, luster and incredible hardness unlike any jewel you've ever seen.
		Despite this amazing discovery, since naturally occurring quantities of moissanite are so minute, it would be another century before this stunning mineral would emerge as the brilliant jewel it is today.
		Using an uncommon combination of art and science, moissanite created by Charles and Colvard was introduced in the summer of 1998.
	www.fromthesky.com /about_moissanite.htm (329 words)

	Testing for Moissanite - Lacy West Jewellery Tools and Supplies
		Purchasing a moissanite in the belief that it is a diamond would be an embarrassing and costly mistake.
		Facet junctions of moissanite are not as sharp as diamond, and a moissanite's girdle is not polished as smooth as a diamond's.
		Moissanite has specific gravities between 3.17 to 3.24 (moissanite is lighter than diamond).
	www.lacywest.com /t_mtest.htm (1035 words)

	Moissanite-Simulated Diamond: Diamond Source of Virginia Loose Diamonds Education
		Naturally occurring Moissanite, from which the jewels are made, is dark green or fl, found in very limited quantities and is not commercially viable.
		A one-carat Moissanite stone set in 14-karat gold would retail for somewhere around the $700 market, compared to a one-carat diamond in an identical setting, which, depending on the quality of the stone, would retail from $4,500 to $6,000.
		Moissanite has polished girdles, and although this method cannot be used alone, in conjunction with other methods it helps to separate Moissanite from Diamonds.
	www.diamondsourceva.com /Education/ArtificialDiamonds/diamonds-moissanite.asp (1207 words)

	The Magic of Moissanite Jewelry.
		Moissanite jewelry on the other hand is wonderful as well, and it's massively cheaper than it's fashionable cousin.
		That's because moissanite is very new and most people either haven't heard of moissanite jewelry or if they have they don't know much about it.
		Moissanite jewelry was only introduced onto the market in 1998 so there are many who still don't know about it.
	www.magic-of-moissanite.com (174 words)

	Gazette, The (Colorado Springs): Is it real ... or is it moissanite?/ Lab-made gem shines with diamond-
		But moissanite stones are more brilliant and have more fire and luster - highly desirable qualities in a diamond - all at a tenth of the cost of the real thing.
		He says moissanite's remarkable mimicry of diamonds can be a negative, at least as far as a jeweler's bottom line is concerned.
		Still, he realizes the value of moissanite and carries a wide assortment of the gems, which are much more impressive than diamonds in the cost-to-size ratio.
	findarticles.com /p/articles/mi_qn4191/is_20030610/ai_n10019215 (1056 words)

	Scottish Gemmology Conference Report
		The dispersion (fire) distinction of moissanite from diamond is not outwardly evident to the eye in small stones, especially when set in an eternity ring for instance, and even less so if the stones are not clean.
		Any attempt to pre-empt the distinction of diamond from synthetic moissanite on the grounds of the facets, or the girdle, is liable to mislead those who are faced with such identification in the future.
		Moissanite UK Ltd. were kind enough to provide specimens of their faceted stones for research.
	www.scotgem.demon.co.uk /moisstest.htm (5597 words)

	Seawear® moissanite jewelry
		Moissanite jewels are an alternative to a diamond or other gemstone.
		A moissanite does it at 0.104 or two and a half times more than a diamond.
		Your moissanite jewel is hard, tough, rare, brilliant with fire, luster and clarity and continues to appreciate in value.
	www.seawear.com /jewelry/moissanite.html (558 words)

	Moissanite is Forever \| Durability
		During the development of moissanite jewels, extensive real-world wear tests were performed by many women in a variety of professions.
		Moissanite jewels can be cast in place, allowing us to offer you intricate yet classic designs, such as our beautiful Signature Collection.
		Moissanite jewels are less likely to experience heat damage during jewelry repair operations than most natural gemstones and can survive the extreme temperatures of typical house fires better than a diamond.
	www.moissanitediamond.com /durability.aspx?sm=24 (242 words)

	Moissanite
		The history of natural moissanite can be traced back to the late 1800's and a man who later became a Nobel Prize winner.
		Moissanite is hard, durable and beautiful, and lasts a lifetime.
		Moissanite is a combination of carbon (like a diamond) and silicon, chemical name silicon carbide.
	www.creativegoldworks.com /moissanite.html (349 words)

	Moissanite rings, earrings, pendants and Jewelry at gem-gallery.com (Site not responding. Last check: 2007-10-22)
		Moissanite is a stunning new jewel that has fire, brilliance, luster and incredible hardness unlike any jewel you've ever seen.
		Moissanite, originally born on a star, is definitely an earthly shining star.
		As reflected in the chart below moissanite is more brilliant than a diamond, moissanite disperses more fire, moissanite is rated higher on the luster index and in terms of hardness, moissanite is the second hardest stone on earth and moissanite has an excellent rating in terms of toughness.
	www.gem-gallery.com /moissanite.htm (518 words)

	HWL Lab alert moissanite fooling unwary (Site not responding. Last check: 2007-10-22)
		By now we should all be aware that it tests as diamond using conventional diamond thermal probes, but this is not the end of the world, as we know it, a little care and caution are called for.
		One aspect of doubly refractive material is that every doubly refractive gem has at least one direction in which the material appears to behave like a singly refractive gem (called the optic axis), and does not break light into two rays.
		The facetted moissanite we have seen is quite yellow (K and lower) in colour and it (sometimes) may have inclusions (whitish, VS and lower in appearance).
	www.hwgem.com /hwalert.htm (733 words)

	What You Should Know About Moissanite
		Moissanite is a naturally occurring mineral found in limited quantities in the earth.
		A: Single-crystal moissanite is manufactured through a patented thermal growing process, the specifics of which are proprietary.
		A: Ceated moissanite can be identified by: moissanite testers; a specific gravity test with a calibrated medium such as methylene iodide; doubly-refractive; and needle-like inclusions.
	www.4facets.com /moissanite.html (937 words)

	Synthetic Moissanite
		Moissanite certainly is an interesting bit of "product." First synthesized in the 1890's, until recently most of us knew it as silicon carbide (SiC).
		If moissanite were entered in a cat show, it would be immediately disqualified due to a severe case of dog-breath.
		Indeed, to hear C-3 tell it, moissanite is the slipperiest serpent to slither down the pike since Fidel Castro.
	www.ruby-sapphire.com /dd_moissanite.htm (1012 words)

	Moissanite
		Moissanite brings to the jeweler's table a similar index of refraction and better than twice the fire of diamond.
		Moissanite, in fact, is sometimes placed into the Carbon Group which includes diamonds and graphite.
		Color saturation in Moissanite should thus be portrayed as a positive and beautifying aspect of this new gemstone.
	www.orionsgemz.com /Moissan.html (542 words)

	Moissanite, technical information about moissanite
		Moissanite is found only in meteorites and in limited areas beneath the earth's surface.
		Moissanite's essence was the potential for an absolutely shimmering brilliance, fire, luster, and incredible hardness.
		Naturally occurring moissanite is extremely rare and found only in microscopic crystals that are too small to use in jewelry.
	www.moissanite-jewelry.com /moissanite.htm (774 words)

	Federal Way Custom Jewelers - Moissanite (Site not responding. Last check: 2007-10-22)
		In the 1980's, methods to grow single-crystalline silicon carbide (Moissanite) for use in the fabrication of high performance semi-conductors and microprocessors were being developed, because Moissanite quickly dissipates microprocessor generated heat, allowing greater computing speed.
		Moissanite is a jewel created by a special process, which takes advantage of its properties of superior fire, brilliance and scratch resistance, found only in the finest jewels.
		Moissanite is a naturally occurring mineral found in extremely limited quantities in the earth.
	www.federalwaycustomjewelers.com /stones/moissanite.htm (350 words)

	Sydney's Jewelry: The Moissanite story
		Moissanite is beautiful jewel with all the brilliance and fire of a fine diamond.
		Moissanites test like diamonds and look like diamonds, in fact, they often pass for diamonds even when inspected by competent, experienced jewelers.
		Moissanite is NOT a cheap, inferior stone such as cubic zirconia, low fire white sapphire or other diamond synthetics.
	www.griffinandassociates.com /moissan.html (535 words)

	Gemstone Jewelry - Moissanite Jewelry - Coin Jewelry from ShopNBC
		Moissanite Collection TV guest, Barbara Mooty, is delighted to bring her expertise and passion for jewelry and Moissanite to ShopNBC customers.
		Moissanite is an example of lab-created gemstones that, to the unaided eye, look identical to natural diamonds.
		Larger sizes of near colorless Moissanite (6.5mm or 1 carat and larger) might appear to have a slight body color (faint green, gray or yellow).
	www.shopnbc.com /product?familyid=j134226&storeid=1&track=243&taxid=243&propid=532,292,293 (962 words)

	ADAMAS GEMOLOGICAL LABORATORY & ADAMAS ADVANTAGE GEMOLOGICAL AND APPRAISAL SOFTWARE (Site not responding. Last check: 2007-10-22)
		Because Silicon Carbite aka Moissanite is a Semiconducter, this was not unexpected.
		The following curves show two grouping of moissanite spectra, the representative transmittancecurves with the dip at approximately 625nm were the conductive(C) samples and the two non conductive samples had a flat transmittance from 600 to 850nm..
		Detection of colorless moissanite should be no problem for those with rudimentary gemological skills, because of its very high double refraction, greater than that of Peridot.
	www.gis.net /~adamas/moiss.html (1435 words)

	USATODAY.com - Say it with ... Moissanite? (Site not responding. Last check: 2007-10-22)
		Moissanite, an increasingly popular man-made gemstone, is ready for its close-up.
		Moissanite is an off-screen hit with Minne Driver and Jennifer Capriati.
		Moissanite (pronounced MOY-san-nite) is nearly as hard as a fine diamond but only about 1/10th the price at $500 to $600 per carat.
	www.usatoday.com /life/2002-10-31-moissanite_x.htm (303 words)

	CBC Marketplace: Genuine Fakes
		Moissanite gemstones were first discovered in 1893 by French chemist Henri Moissan, who was investigating meteorite that landed in Arizona.
		Moissanites have been passed as diamonds in Vancouver, Edmonton, Calgary, Toronto, Ottawa and Montreal.
		Kovant now owns a moissanite tester and was able to spot the difference between moissanites and diamonds in a Marketplace test.
	www.cbc.ca /consumers/market/files/scams/moissanite (1048 words)

	Moissanite Detectors from Kassoy - Serving the Jewelry Industry for 70 Years
		Natural moissanite, a form of silicon carbide, was originally discovered in a meteor in the late 1800s and is extremely rare.
		The DC333M2 moissanite tester uses a probe made of a special grade polymer to measure electrical conductivity to determine if the stone you are testing is moissanite or diamond.
		(Because moissanite gemstones are inconsistent, it is best to touch three or four points around the center of the gemstone.) It has a small stone setting for use with stones smaller than 3.5mm or when you cannot keep the probe a tenth of an inch from a metal prong.
	www.kassoy.com /moiss001.htm (993 words)

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