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  2. Material properties of diamond - Wikipedia

    en.wikipedia.org/wiki/Material_properties_of_diamond

    Diamond is extremely strong owing to its crystal structure, known as diamond cubic, in which each carbon atom has four neighbors covalently bonded to it. Bulk cubic boron nitride (c-BN) is nearly as hard as diamond. Diamond reacts with some materials, such as steel, and c-BN wears less when cutting or abrading such material. [4]

  3. Superhard material - Wikipedia

    en.wikipedia.org/wiki/Superhard_material

    Diamond is the hardest known material to date, with a Vickers hardness in the range of 70–150 GPa. Diamond demonstrates both high thermal conductivity and electrically insulating properties, and much attention has been put into finding practical applications of this material. However, diamond has several limitations for mass industrial ...

  4. Diamond - Wikipedia

    en.wikipedia.org/wiki/Diamond

    Main diamond producing countries. Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic.Diamond as a form of carbon is tasteless, odourless, strong, brittle solid, colourless in pure form, a poor conductor of electricity, and insoluble in water.

  5. Diamond (gemstone) - Wikipedia

    en.wikipedia.org/wiki/Diamond_(gemstone)

    Diamonds are one of the best-known and most sought-after gems, and they have been used as decorative items since ancient times. The hardness of diamond and its high dispersion of light—giving the diamond its characteristic "fire"—make it useful for industrial applications and desirable as jewelry. Diamonds are such a highly traded commodity ...

  6. With Diamonds, Even the Haystack Is Hard to Find - AOL

    www.aol.com/news/2013-11-23-diamondiferous.html

    Diamond making is a miraculous recipe involving carbon, heat, pressure (no pressure no diamonds), and careful cooling. Screw up one ingredient With Diamonds, Even the Haystack Is Hard to Find

  7. Why do we put so much worth in diamonds? - AOL

    www.aol.com/why-put-much-worth-diamonds...

    Diamond industry researcher Edahn Golan says diamonds became associated with love and engagements around the 15th century, but it wasn't just a romantic gesture. Almost 9 in 10 engagement rings ...

  8. Carbonado - Wikipedia

    en.wikipedia.org/wiki/Carbonado

    Carbonado, commonly known as black diamond, is one of the toughest forms of natural diamond. It is an impure, high-density, micro-porous form of polycrystalline diamond consisting of diamond, graphite , and amorphous carbon , with minor crystalline precipitates filling pores and occasional reduced metal inclusions. [ 1 ]

  9. The symbolism and meaning behind different engagement ring shapes

    www.aol.com/symbolism-meaning-behind-different...

    Different diamond shapes will affect the perceived size of the diamond. Diamonds with an elongated shape, like the Oval and Marquise, often appear larger than Round cut diamonds of the same carat ...