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Topic: The Allnatt Diamond

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	Diamond
		Diamond is a transparent, optically isotropic crystal with a refractive index of 2.417, a high dispersion of 0.044, and a specific gravity of 3.52.
		In the late 18th century, diamonds were demonstrated to be made of carbon by the rather expensive experiment of igniting a diamond (by means of a burning-glass) in an oxygen atmosphere and showing that carbonic acid gas (carbon dioxide) was the product of the combustion.
		In response to public concerns that their diamond purchases were contributing to war and human rights abuses in central Africa, the diamond industry and diamond-trading nations introduced the Kimberley Process aimed at ensuring that conflict diamonds do not becoming intermixed with the diamonds not controlled by such rebel groups.
	www.askfactmaster.com /Diamond (4370 words)

	Allnatt Diamond - Wikipedia, the free encyclopedia
		This diamond is named after one of its famous holders, Major Alfred Ernest Allnatt, a soldier, sportsman, art patron and a benefactor in many groups.
		The Allnatt's origins are unknown prior to Major Allnatt's purchasing of the diamond in the early 1950's.
		The Allnatt was displayed as part of the Smithsonian's "The Splendor of Diamonds" exhibit, alongside The De Beers Millennium Star, the world’s largest top colour (D) internally and externally flawless pear-shaped diamond at 203.04 carat (40.608 g) and The Heart of Eternity, a 27.64 carat (5.528 g) heart-cut blue diamond.
	en.wikipedia.org /wiki/Allnatt_Diamond (269 words)

	The Moussaieff Red Diamond
		The William Goldberg Diamond Corporation, famous for outstanding stones like the Premier Rose and the Guinea Star, cut this gem from a 13.90-carat rough.
		The GIA states, "It is the largest Fancy Red, natural color diamond that we have graded as of the date the report was issued." The stone is a triangular brilliant, sometimes refered to as a trillion or a trilliant cut.
		The exhibit lasted from June 27th to September 30th and featured a number of other unusual colored diamonds, namely the Millennium Star, the Heart of Eternity, the Pumpkin Diamond, the Allnatt Diamond, the Ocean Dream, and the Steinmetz Pink.
	famousdiamonds.tripod.com /moussaieffreddiamond.html (249 words)

	List of famous diamonds - Wikipedia, the free encyclopedia
		A number of large or extraordinarily colored diamonds have gained fame, both as exquisite examples of the beautiful nature of diamonds, and because of the famous people who wore, bought, and sold them.
		The Cullinan Diamond, the largest rough gem-quality diamond ever found at 3106.75 carats, also known as the Star of Africa
		The Koh-i-Noor, very old (mentioned in Baburnama of 1526) and surrounded by legend and it's believed to be the most precious.
	en.wikipedia.org /wiki/List_of_famous_diamonds (236 words)

	Yellow Diamond and yellow diamond jewelry information
		In it purest state, a diamond is composed of carbon atoms and is colorless.
		Diamonds that are pink to red and orange in color have imperfections at the atomic level which scientists call “color centers.” Green, blue-green, and a small number of blue diamonds are a special case.
		Actress Jenna Elfman opens the Splendour of Diamonds Exhibit at the Smithsonian, the Allnatt Diamond being the large yellow stone in front of her on the pad.
	www.generousgems.com /yellow_diamondi.html (441 words)

	Colored Diamonds - Diamonds Education (Site not responding. Last check: 2007-10-24)
		The most valuable are colorless diamonds (which have extraordinary ability to absorb all rays of light equally) and fancy colored diamonds (due to their rarity and uniqueness).
		This is a process in which natural diamonds with non fancy colors are subjected to high energy particles (alpha, beta, gamma, neutrons, x-rays or microwaves) in a properly equipped laboratory.
		At some point during its formation the diamond may have come in contact with radioactive material such as Uranium ore. The presence of brown or green radiation stains on the surface is indicative if natural green color.
	www.dsourceva.com /colored-diamonds.htm (2121 words)

	dersimdestani.info: Diamond (Site not responding. Last check: 2007-10-24)
		A major diamond cutting industry has grown up in Gujarat State, India where 90% of the world's diamonds (as measured by number of diamonds) are cut by a workforce of 800,000[link].
		Diamonds have been manufactured synthetically for over fifty years, and very recently companies began marketing them to the public as jewelry and in technology.
		The consequence of this is that retailers can sell diamonds at a high price without competition from a secondary market and to allow DeBeer's to maintain control of the diamond trade at the wholesale level.
	www.dersimdestani.info /index.php?title=Diamond (4640 words)

	Diamond (Site not responding. Last check: 2007-10-24)
		Diamonds exhibit fluorescence of various colors under long wave ultra-violet light, but generally bluish-white, yellowish or greenish fluorescence under X-rays.
		Except for most natural blue diamonds which are semiconductors, diamond is a good electrical insulator, but unlike most insulators, is a good conductor of heat because of the strong bonding within the molecule.
		A major diamond cutting industry has grown up in Gujarat State, India where 90% of the world's diamonds (as measured by number of diamonds) are cut by a workforce of 800,000[1].
	www.aseannewsnetwork.de /articles/content/d/di/diamond.html (3967 words)

	Fancy Coloured Diamond, Diamond Engagement Rings
		The most valuable are colourless diamonds (which have extraordinary ability to absorb all rays of light equally) and fancy coloured diamonds (due to their rarity and uniqueness).
		The cutting of coloured diamonds is significantly important, performed by highly skilled craftsmen who combine their technical knowledge with a deep appreciation for beauty and colour.
		If a diamond is graded as Fancy Grayish Greenish Yellow then the dominant colour would be yellow with gray and green as modifying colours.One important factor to remember is that in coloured diamonds, clarity is secondary to the intensity of the diamond's colour.
	www.danielprince.co.uk /Fancy_Colour_Diamonds.html (1004 words)

	Diamond Glossary A...
		Industrial diamonds are used as abrasives in grinding wheels and drill bits, and also used in finer grades (smaller particle size) to polish materials.
		Amsterdam, was a major diamond cutting center in the nineteenth century, but lost almost all its gem cutters to Antwerp, due in part to strict working conditions imposed on the Dutch diamond-cutting factories by labour unions in the prewar years.
		The sixtieth anniversary is a diamond jubilee, also we have recently seen the seventy fifth described as a diamond wedding anniversary.
	www.24carat.co.uk /a2zofdiamondsa.html (902 words)

	Tips for starting a rock and mineral collection (Site not responding. Last check: 2007-10-24)
		The Beluga Diamond is 103 point-some carat diamond cut by the William Goldberg firm from a rather flat, blocky 265.82-carat rough.
		It is the largest standard oval brilliant cut diamond in the world and appeared in an article about 'blood diamonds' in the March 2002 issue of National Geographic magazine.
		The Star of Africa is a pear shaped diamond weighing 530.20 carats and also known as the Cullinan I. It is one of the 9 large stones cut from the original Cullinan diamond, weighing 3106 carats, or about 1 1/3 pounds, found in 1905 at at the Premier Mine in South Africa.
	www.inlandlapidary.com /user_area/biggems.asp (1644 words)

	The Allnatt Diamond
		The reigning Shah of Persia, Nasir ud-Din Shah (1848-1860) was among the first to appreciate them because he added numerous yellow diamonds to the Crown Jewels of Iran, the largest of which is a 135-carat monster rivalling the Regent Diamond in size and shape.
		The piece is a design of a flower with five petals, lined with white baguette-cut diamonds, the petals themselves being comprised of brilliant cut diamonds, and the stem and two leaves also being comprised of the same cutting styles.
		The Allnatt paid a visit to the Smithsonian Museum from June 27th to September 30th, being part of an exhibit titled The Splendour of Diamonds.
	famousdiamonds.tripod.com /allnattdiamond.html (566 words)

	The Allnat Diamond (Site not responding. Last check: 2007-10-24)
		The Allnatt Diamond was most likely discovered in the De Beers Mines of South Africa; it is a certified Fancy Vivid Yellow color and weighs 102.29 carats.
		The Allnatt was featured in the Splendour of Diamonds exhibit at the Smithsonian Museum from June 27, 2003 to September 15, 2003.
		Displayed with the Allnatt Diamond were the Steinmetz Pink, the Moussaieff Red, the Pumpkin Diamond, the Heart of Eternity, the Ocean Dream, and the Millennium Star.
	www.woodberrydiamonds.com /famous_diamonds/allnatt_diamond.html (252 words)

	Diamond Color - Bacci Diamonds
		Diamonds usually come in a colorless or near colorless form, oftentimes they have a slight yellow color to them.
		The rarest of them all, natural red diamonds are highly sought after and since they are so uncommon, their selling prices are naturally very high.
		Natural green diamonds are quite uncommon and most green diamonds are treated in a lab to achieve their color.
	www.baccidiamonds.com /articles/color (543 words)

	High Quality Diamonds
		The diamond disappeared, and for many years it was not heard from at all, but in 1830, a large steel blue diamond of a different shape, and weighing only 44.50 carats appeared on the market in England was purchased by Henry Thomas Hope, an English banker.
		This diamond was undoubtedly cut from the French Blue, a contention supported by the fact that, according to French law, the statute of limitations for any crimes committed during wartime twenty years, of which Francillon and his client were surely aware.
		These accounts tell of diamonds such as Tavernier Blue (now known as the Hope Diamond; 45.52 carats) and the 30.82-carat Blue Heart, which today are valued for their history and mystique as much as for their rare color.
	www.thefactoryoutlet.com /diamonds/famous.asp (7428 words)

	The Agra Diamond - Famous Diamonds
		The story of how the pink diamond though to have been the Agra, left India was sold to Edwin Streeter, the famous London jeweller and author, by the fifth Marquess of Donegall in 1896.
		One can only conclude, therefore, that the diamond eating by the horse and subsequently smuggled to England was not the same stone owned by the Duke of Brunswick, unless Lord Donegall's memory had failed him and the account he had retold to Streeter referred to happenings prior to 1844.
		It was described as a "magnificent rose pink diamond of the highest quality, weight 31 and 13/32 carats." Although no name was attached to the diamond, it was obvious it was the Agra Diamond.
	www.am-diamonds.com /articles/famous-diamonds/agra-diamond.php (3054 words)

	Colored Diamonds: Diamond Source of Virginia Loose Diamonds Education
		The cutting of colored diamonds is significantly important, performed by highly skilled craftsmen who combine their technical knowledge with a deep appreciation for beauty and color.
		Different regions of the earth have yielded particular types of colored diamonds, and each color requires a master cutter's knowledge and appreciation to unlock the beauty within.
		For over 60 years, the DeBeers cartel has convinced Americans that diamonds equate with love and to be treasured.
	www.diamondsourceva.com /Education/ColoredDiamonds/ColoredDiamonds.asp (963 words)

	Diamond Advice and Weddings Forum - Fancy Colored Diamonds Growing in popularity (Site not responding. Last check: 2007-10-24)
		The rich and famous have fallen in love with colored diamonds, which are rarer and exponentially more expensive than their white counterparts.
		Colored diamonds come in every shade of the rainbow and are extremely rare.
		Considering the price of large colored diamonds -- they start at about $50,000 -- Schultz is planning to get either a canary yellow eternity band made of less expensive small yellow diamonds or a white diamond with a yellow gem on each side.
	www.diamondchitchat.com /bbs/showthread.php?t=1001 (894 words)

	Allnatt Diamond \| Diamonds
		Many internet readers are interested in the Allnatt diamond, so we have prepared and posted this article for you.
		Diamonds are no longer a girl's best friend, according to a new US study that found three of four women would prefer a new plasma TV to a diamond necklace.
		Diamonds set in Sterling Silver will be the choice of the Smart Consumer in the 2006 Holiday Season.
	diamonds.hobbyboutique.com /Allnatt_Diamond.php (679 words)

	Diamond Jewelry - Information (Site not responding. Last check: 2007-10-24)
		Diamond Cutting is a from a of varies widely a diamond is affected a with a white if the the or imperfections of the cutter rough and to a with more article has a on cutting.
		External diamonds.pricescope.com diamond tutorial were www.folds.net index.html Diamond Design, www.folds.net design index.html ongoing cut research.
		the in the the diamond, he commissioned the was re shaped diamond at 203.04 Eternity Diamond The Heart blue References Gemological Allnatt.
	www.freewebs.com /information24/diamond-jewelry.html (306 words)

	The Splendor of Diamonds
		Strongly colored diamonds weighing more than 100 carats are extremely rare, making this vivid yellow diamond truly exceptional.
		The color is the result of nitrogen atoms that replaced some of the crystal’s carbon atoms.
		The gem is named after its former British owner, Major Alfred Ernest Allnatt.
	www.mnh.si.edu /exhibits/si-gems/allnatt.html (47 words)

	The Birthstone Calendar - April Gift Ideas (Site not responding. Last check: 2007-10-24)
		The hardest of naturally occurring materials, diamonds cut into multi-faceted shapes are among the most prizedgemstones of jewelry and find use in industrial applications as well.
		Gabriel Tolkowsky - A famous diamond cutter, who cut two of the world's largest diamonds, theCentenary Diamond and the Golden Jubilee Diamond.
		Klaus kobec concept fl diamond swiss steel rrp £575
	www.birthstonecalendar.com /011/April.asp (475 words)

	The Agra Diamond - Famous Diamonds by Diamond Articles
		The Agra Diamond - Famous Diamonds by Diamond Articles
		The city of Agra was founded by the Mogul Emperors who made it their capitol for more than a hundred years in the 1500's and 1600's until Aurangzeb, the 6th mogul emperor transferred the seat of the monarchy to Delhi in 1658.
		Specializing in Important Colorless Diamonds and Natural Fancy Color Diamonds.
	www.diamondarticles.com /articles/famous-diamonds/agra-diamond.php (3081 words)

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