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  2. Diamond (gemstone) - Wikipedia

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

    The carat weight measures the mass of a diamond. One carat is defined as 200 milligrams (about 0.007 ounces avoirdupois). The point unit—equal to one one-hundredth of a carat (0.01 carat, or 2 mg)—is commonly used for diamonds of less than one carat. All else being equal, the price per carat increases with carat weight, since larger ...

  3. Strontium titanate - Wikipedia

    en.wikipedia.org/wiki/Strontium_titanate

    It is one of the most costly of diamond simulants, and due to its rarity collectors may pay a premium for large i.e. >2 carat (400 mg) specimens. As a diamond simulant, strontium titanate is most deceptive when mingled with melée i.e. <0.20 carat (40 mg) stones and when it is used as the base material for a composite or doublet stone (with, e ...

  4. List of named alloys - Wikipedia

    en.wikipedia.org/wiki/List_of_named_alloys

    Most iron alloys are steels, with carbon as a major alloying element.. Elinvar (nickel, chromium); Fernico (nickel, cobalt); Ferroalloys (Category:Ferroalloys) . Ferroboron ...

  5. Wikipedia : Recent additions/2007/July

    en.wikipedia.org/wiki/Wikipedia:Recent_additions/...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Language links are at the top of the page.

  6. Wikipedia:Featured article candidates/Featured log/August ...

    en.wikipedia.org/wiki/Wikipedia:Featured_article...

    1.20 Synthetic diamond. 1.21 Lisa the Vegetarian. 1.22 Big Star (band) ... 1.34 Doug Ring with the Australian cricket team in England in 1948. 1.35 Huntington's disease.

  7. Wikipedia : Recent additions/2010/April

    en.wikipedia.org/wiki/Wikipedia:Recent_additions/...

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