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      China Synthetic Single Crystal Diamond manufacturers Select 2019 high quality Synthetic Single Crystal Diamond products in best price from certified Chinese Diamond Tools Set manufacturers, Diamond Cutting Machine suppliers, wholesalers and factory on Made-in-China

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      There are 4,023 diamond single crystal suppliers, mainly located in Asia. The top supplying countries are United States, China, and India, which supply 1%, 94%, and 3% of diamond single crystal respectively. Diamond single crystal products are most popular in United States, Australia

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      Diamond Abrasive Price, 2019 Diamond Abrasive Price

      Diamond Abrasive Price Select 2019 high quality Diamond Abrasive Price products in best price from certified Chinese Diamond Abrasive Stone manufacturers, Diamond Abrasive Disc suppliers, wholesalers and factory on Made-in-China

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      green synthetic diamond powder for polishing grinding

      green synthetic diamond powder for polishing grinding price of 1 carat diamond in Japan Market. green synthetic diamond powder alibaba. Alibaba offers 1,307 green synthetic diamond powder products. About 96% of these are abrasives. A wide variety of green synthetic diamond powder options are available to you, such as ceramic pigments, coating

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      Synthetic Diamond Rough, Synthetic Diamond Price Per Carat, Synthetic Diamond Prices manufacturer / supplier in China, offering Synthetic Diamond Price Per Carat, 3*0.6*0.6 Single Crystal Diamond Plate Stick for Tools, 3*0.8*0.8 Mono Crystal Diamond Sticks for Dressing Tools and so on.

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      Diamond powder 10-65μm with best price for optical glass, synthesized directly,no crushing colorless HTHP synthetic diamond/ white synthetic dimaond. Henan Union Abrasives Corp. Verified Supplier. Country/Region: China HTHP Synthetic Diamond, Diamond Powder, Diamond Micro Powder, Single Crystal Diamond . Contact Supplier Contact Details.

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      Diamond Powder Price List at Diamond Tech

      Diamond powder or micron powders are well defined ranges of fine particles usually less than 80 microns in diameter. A micron grade designation defines the size range of the abrasive particles. Crystal shape, strength and accuracy of sizing are the key elements for a quality micron powder. This is very important in lapping, polishing, and super-finishing operations where oversized grains can

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      Advanced Abrasives diamond powders are available in numerous standard abrasive size selections from 25 nanometers up to 30/40 mesh, each with a tightly held particle size distribution. And for specific applications requirements, we are able to provide non-standard

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      As a result size makes more of a difference in the price of fine-quality sapphire. A fine-quality 5.00 carat blue sapphire sells for approximately five times more per carat than the same-quality 1.00 carat stone. A commercial-quality 5.00 carat stone sells for only about twice as much per carat as a 1.00 carat blue sapphire of the same quality.

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      In 2009 a 7.03 carats (1.41 g) blue diamond fetched the highest price per carat ever paid for a diamond when it was sold at auction for 10.5 million Swiss francs (6.97 million Euro or US$9.5 million at the time) which is in excess of US$1.3 million per carat. [29] Identification. Diamonds can be identified by their high thermal conductivity.

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      Hardness. Diamond is the hardest natural material known, where hardness is defined as resistance to scratching and is graded between 1 (softest) and 10 (hardest) using the Mohs scale of mineral hardness.Diamond has a hardness of 10 (hardest) on this scale. [14] Diamond's hardness has been known since antiquity, and is the source of its name.

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      Small Size Synthetic Loose Polished Diamond For Jewelry,Find Complete Details about Small Size Synthetic Loose Polished Diamond For Jewelry,Jewelry Polish Material,Loose Diamonds Round Brilliant Cut,Small Size Diamond Price from Supplier or Manufacturer-Henan Sparkle Superhard Materials Co.,

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      Natural Diamond an overview ScienceDirect Topics

      The MCD logs are made from a single crystal of synthetic diamond, having a 8,000 to 9,000 Knoop hardness. These extra-hard crystalline small pieces are used for the manufacture of single- and multistone traverse dressers. Unlike natural diamonds, MCD logs have a constant section, structure, and hardness along the entire height of the single

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      A Medley of Potpourri: Diamond

      Mar 26, 2019· In May 2009, a 7.03-carat (1.406 g) blue diamond fetched the highest price per carat ever paid for a diamond when it was sold at auction for 10.5 million Swiss francs (6.97 million euros, or US$9.5 million at the time). That record was, however, beaten the same year: a 5-carat (1.0 g) vivid pink diamond was sold for $10.8 million in Hong Kong

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      The history and present status of synthetic diamond

      Journal of Crystal Growth 46 (1979) 15772 North-Holland Publishing Company THE HISTORY AND PRESENT STATUS OF SYNTHETIC DIAMOND K. NASSAU Bell Laboratories, Murray Hill, New Jersey 07974, USA and J. NASSAU Bernardsville, New Jersey 07924, USA Received 5 July 1978; manuscript received 21 September 1978 Attempts at diamond synthesis began almost as soon as it was recognized that diamond

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      China High Purity PCD PDC Powder Synthetic Micron Diamond, Find details about China Gold Diamond, Industrial Diamond from High Purity PCD PDC Powder Synthetic Micron Diamond Kumthai Abrasives Co., Ltd.

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      Diamond (pronunciation: / ˈ d aɪ ə m ə n d / or / ˈ d aɪ m ə n d /) is a metastable allotrope of carbon, where the carbon atoms are arranged in a variation of the face-centered cubic crystal structure called a diamond lattice.Diamond is less stable than graphite, but the conversion rate from diamond to graphite is negligible at standard conditions.Diamond is renowned as a material with

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      One contributory factor is the geological nature of diamond deposits: several large primary kimberlite-pipe mines each account for significant portions of market share (such as the Jwaneng mine in Botswana, which is a single large-pit mine that can produce between 12,500,000 and 15,000,000 carats (2,500 and 3,000 kg) of diamonds per year[59]).

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      In May 2009, a 7.03-carat (1.406 g) blue diamond fetched the highest price per carat ever paid for a diamond when it was sold at auction for 10.5 million Swiss

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      Amended Annual Report (10-k/a) advfn

      Market price for industrial diamonds generally varies from $70 to $300 per carat for most stones, with some specific-feature stones such as those destined for surgical scalpels, selling for up to

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      In general, prices for synthetic diamond for grinding and polishing ranged from as low as $0.26 per carat to $2.50 per carat. Strong and blocky material for sawing and drilling sold for $2.50 to $4.00 per carat. Large, synthetic crystals with excellent structure for specific applications sold for several hundred dollars per carat.

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      Mining companies' expenses average $40 to $60 per carat for natural colorless diamonds, while synthetic manufacturers' expenses average $2,500 per carat for synthetic, gem-quality colorless diamonds.79 However, a purchaser is more likely to encounter a synthetic when looking for a fancy-colored diamond because nearly all synthetic diamonds are

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      One contributory factor is the geological nature of diamond deposits: several large primary kimberlite-pipe mines each account for significant portions of market share (such as the Jwaneng mine in Botswana, which is a single large-pit mine that can produce between 12,500,000 and 15,000,000 carats (2,500 and 3,000 kg) of diamonds per year[59]).

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      China High Purity PCD PDC Powder Synthetic Micron Diamond, Find details about China Gold Diamond, Industrial Diamond from High Purity PCD PDC Powder Synthetic Micron Diamond Kumthai Abrasives Co., Ltd.

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      In general, prices for synthetic diamond for grinding and polishing range from as low as $0.26 per carat to $2.50 per carat. Strong and blocky material for sawing and drilling sells for $2.50 to $4.00 per carat. Large, synthetic crystals with excellent structure for specific applications sell for several hundred dollars per carat.

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      Cheap industrial sapphire price lockportsundayschool

      As a result size makes more of a difference in the price of fine-quality sapphire. A fine-quality 5.00 carat blue sapphire sells for approximately five times more per carat than the same-quality 1.00 carat stone. A commercial-quality 5.00 carat stone sells for only about twice as much per carat as a 1.00 carat blue sapphire of the same quality.

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      Most diamonds contain visible non-diamond inclusions and crystal flaws. The cutter has to decide which flaws are to be removed by the cutting and which could be kept. The diamond can be split by a single, well calculated blow of a hammer to a pointed tool, which is quick, but risky.

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      Jul 18, 2009· In 2009 a 7.03 carats (1.41 g) blue diamond fetched the highest price per-carat ever paid for a diamond when it was sold at auction for 10.5 million Swiss francs (6.97 million Euro or US$9.5 million at the time) which is in excess of US$1.3 million per carat. [30] Identification. Diamonds can be identified by their high thermal conductivity.

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      Diamond Academic Dictionaries and Encyclopedias

      A diamond is a transparent crystal of tetrahedrally bonded carbon atoms (sp 3) that crystallizes into the diamond lattice which is a variation of the face centered cubic structure. Diamonds have been adapted for many uses because of the material's exceptional physical characteristics. Most notable are its extreme hardness and thermal conductivity (900– 2,320 W·m −1 ·K −1), [10] as well

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      A Medley of Potpourri: Diamond

      Mar 26, 2019· In May 2009, a 7.03-carat (1.406 g) blue diamond fetched the highest price per carat ever paid for a diamond when it was sold at auction for 10.5 million Swiss francs (6.97 million euros, or US$9.5 million at the time). That record was, however, beaten the same year: a 5-carat (1.0 g) vivid pink diamond was sold for $10.8 million in Hong Kong

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      Market price for industrial diamonds generally varies from $70 to $300 per carat for most stones, with some specific-feature stones such as those destined for surgical scalpels, selling for up to

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      Gemstone From Wikipedia, the free encyclopedia "Gem" and "Jewels" redirect here. For other uses, see Gem (disambiguation) and Jewels (disambiguation). In general per carat prices of larger stones are higher than those of smaller stones, but popularity of certain sizes of stone can affect prices. A single crystal's habit is a description

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      Market price for industrial diamonds generally varies from $70 to $300 per carat for most stones, with some specific-feature stones such as those destined for surgical scalpels, selling for up to $3,000 per carat. The vast majority of all diamond product demand is for industrial diamonds, and supply is limited by capacity of production and

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      Module A Learning Objectives Flashcards Quizlet

      In April 2013, another fancy intense pink diamond, the 34.65 Princie Diamond, was auctioned for $39.3 million USD (~$1.1M per carat) and quickly became the #2 diamond ever sold by price. Note that these very high value per carat stones all have fancy intense colours.

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      Market price for industrial diamonds generally varies from $70 to $300 per carat for most stones, with some specific-feature stones such as those destined for surgical scalpels, selling for up to $3,000 per carat. The vast majority of all diamond product demand is for industrial diamonds, and supply is limited by capacity of production and

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      Synthetic Diamond Powder (abrasive),Find Complete Details about Synthetic Diamond Powder (abrasive),Industrial Diamond Powder,Micro Synthetic Diamond Powder,Synthetic Diamond Powder from Abrasives Supplier or Manufacturer-Shijiazhuang Spin Import And E. Supplier Shijiazhuang Spin Import And Export Trade Co., Ltd. [Trading Company] China

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      Specification of diamond powders Diamond powder used in the tools can be evaluated by two main parameters: grit and hardness. These indicators are regulated by corresponding government and international standards. Grit size. Depending on the size of crystal grains and their production method, the diamond powders are divided into three groups:

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      USGS Minerals Yearbook 2012

      In general, prices for synthetic diamond for grinding and polishing ranged from as low as $0.26 per carat to $2.50 per carat. Strong and blocky material for sawing and drilling sold for $2.50 to $4.00 per carat. Large, synthetic crystals with excellent structure for specific applications sold for several hundred dollars per carat.

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      At present, the world record price-per-carat for sapphire at auction was achieved by a sapphire from Kashmir in a ring, which sold for approximately $242,000 per carat (more than $6.74 million in total, including buyer's premium) in October 2015.

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      Diamonds : Wikis (The Full Wiki)

      Most diamonds contain visible non-diamond inclusions and crystal flaws. The cutter has to decide which flaws are to be removed by the cutting and which could be kept. The diamond can be split by a single, well calculated blow of a hammer to a pointed tool, which is quick, but risky.

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      Seller Notes: “ 1.4 Carat Color Change Pink Kashmir Sapphire The gemstone has no dark inclusions visible to the eye and should be considered to be eye clean, The sapphire is from natural corundum but is treated by heat. The Photo gallery consist of outdoor photos.

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      Diamonds: April 2009

      Carat How big is the diamond? Larger diamonds often cost more per carat due to their size. There are 100 points to a carat. Hence a 50 point diamond is 1/2 a carat. (There are 5 carats to a gram.) Always get the actual point size of a diamond rather than a fractional weight. Sometimes jewelers will try to sell a .90 diamond as a 1 carat diamond.

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      In April 2013, another fancy intense pink diamond, the 34.65 Princie Diamond, was auctioned for $39.3 million USD (~$1.1M per carat) and quickly became the #2 diamond ever sold by price. Note that these very high value per carat stones all have fancy intense colours.

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      Specification of diamond powders Diamond powder used in the tools can be evaluated by two main parameters: grit and hardness. These indicators are regulated by corresponding government and international standards. Grit size. Depending on the size of crystal grains and their production method, the diamond powders are divided into three groups:

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      Cubic zirconia Wikipedia

      Because of its low cost, durability, and close visual likeness to diamond, synthetic cubic zirconia has remained the most gemologically and economically important competitor for diamonds since commercial production began in 1976. Its main competitor as a synthetic gemstone is a more recently cultivated material, synthetic moissanite.

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      In May 2009, a 7.03-carat (1.41 g) blue diamond fetched the highest price per carat ever paid for a diamond when it was sold at auction for 10.5 million Swiss francs (6.97 million euro or US$9.5 million at the time). That record was however beaten the same year: a 5-carat (1.0 g) vivid pink diamond was sold for $10.8 million in Hong Kong on

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      Prospecting for Diamond Deposits The GemHunter's Guide

      Nov 25, 2017· GemHunter's Guide on How to Identify Raw Diamond Twin Mountains crypto-volcanic structures south of I-80 between Some high-quality gem diamonds have sold for >$1 million per carat! Bort is poor grade diamond used as an industrial abrasive. It forms rounded grains with rough exterior and has a radiating crystal habit. The term is applied

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      Parcel Price: A per carat price for buying an entire diamond parcel without selection. Sometimes a buyer is permitted to reject a small number of stones. Paste: Glass used as imitation diamond. Also diamond grit or powder supplied or used in paste form as an abrasive for cutting and polishing any material including other diamonds.

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      Market price for industrial diamonds generally varies from $70 to $300 per carat for most stones, with some specific-feature stones such as those destined for surgical scalpels, selling for up to $3,000 per carat. The vast majority of all diamond product demand is for industrial diamonds, and supply is limited by capacity of production and