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  2. List of countries by gold exports - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_gold...

    The following is a list of countries by gold exports. Data is for 2018, in millions of United States dollars, as reported by The Observatory of Economic Complexity. [1] Currently twenty countries, as of 2018, are listed (their 2012 and 2016 figures are also provided). #

  3. Crown gold - Wikipedia

    en.wikipedia.org/wiki/Crown_gold

    Crown gold is a 22 karat (kt) gold alloy used in the crown coin introduced in England in 1526 (by Henry VIII). [1] In this alloy, the proportion of gold is 22 parts out of 24 (91.667% gold). Crown gold is appreciably less prone to wear than the softer 23 kt gold of earlier gold sovereigns — an important point for coins intended for everyday ...

  4. UnoAErre - Wikipedia

    en.wikipedia.org/wiki/UnoAErre

    UnoAErre Italia is a goldsmith, jewelry and watchmaking company based in Arezzo, [ 1 ] [ 2 ] The company manufactures, distributes and exports of gold and jewelry in Italy and abroad. History

  5. Granulation (jewellery) - Wikipedia

    en.wikipedia.org/wiki/Granulation_(jewellery)

    There are three basic techniques that may be used to attach granules to a metal surface: hard soldering, fusing and colloidal soldering. The metals used in granulation are usually gold and/or silver alloys of high purity – alloys below 18 kt. gold and sterling silver being unsuitable. With each technique, the process begins with the making of ...

  6. Fineness - Wikipedia

    en.wikipedia.org/wiki/Fineness

    24-karat gold is pure (while 100% purity is very difficult to attain, 24-karat as a designation is permitted in commerce for a minimum of 99.95% purity), 18-karat gold is 18 parts gold, 6 parts another metal (forming an alloy with 75% gold), 12-karat gold is 12 parts gold (12 parts another metal), and so forth.

  7. Spoilers ahead! We've warned you. We mean it. Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT ...

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