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  2. Solidus (coin) - Wikipedia

    en.wikipedia.org/wiki/Solidus_(coin)

    Solidus of Constantius II from Antioch, 347–355. A holed coin such as this was likely worn as a jewelry piece by a prominent or wealthy Roman. The solidus was initially introduced by Diocletian in small issues and later reintroduced for mass circulation by Constantine the Great in c. AD 312 and was composed of relatively solid gold.

  3. Florin - Wikipedia

    en.wikipedia.org/wiki/Florin

    Originally valued at six shillings, it was composed of 108 grains (6.99828 grams) of gold with a purity of 23 carats and 3 + 1 ⁄ 2 grains (or 23 + 7 ⁄ 8 carats) [7] [8] – and more recently (minted between 1849-1967 although circulating alongside the decimal ten pence coin until 1993 when it was withdrawn due to a resizing) relating to a ...

  4. Colored gold - Wikipedia

    en.wikipedia.org/wiki/Colored_gold

    White gold is an alloy of gold and at least one white metal (usually nickel, silver, platinum or palladium). [4] Like yellow gold, the purity of white gold is given in karats. White gold's properties vary depending on the metals used and their proportions. A common white gold formulation consists of 90% wt. gold and 10% wt. nickel. [3]

  5. Intermetallic - Wikipedia

    en.wikipedia.org/wiki/Intermetallic

    The unintended formation of intermetallics can cause problems. For example, intermetallics of gold and aluminium can be a significant cause of wire bond failures in semiconductor devices and other microelectronics devices. The management of intermetallics is a major issue in the reliability of solder joints between electronic components.

  6. Gold standard - Wikipedia

    en.wikipedia.org/wiki/Gold_standard

    The United Kingdom slipped into a gold specie standard in 1717 by over-valuing gold at 15 + 1 ⁄ 5 times its weight in silver. It was unique among nations to use gold in conjunction with clipped, underweight silver shillings, addressed only before the end of the 18th century by the acceptance of gold proxies like token silver coins and banknotes.

  7. Silver standards - Wikipedia

    en.wikipedia.org/wiki/Silver_standards

    In its earliest usage, the zolotnik was 1/96 of a pound, but it later was changed to represent 1/72 of a pound. Ninety-one (91) zolotniks have the equivalent millesimal fineness of 947[9]. Thus, the alloy contains 94.79% pure silver and 5.21% copper or other metals. [4] [5] Sterling silver has a millesimal fineness of 925. The sterling silver ...

  8. Peter A. Magowan - Pay Pals - The Huffington Post

    data.huffingtonpost.com/paypals/peter-a-magowan

    between 2008 and 2012, better performance than 79% of all directors The Peter A. Magowan Stock Index From January 2008 to December 2012, if you bought shares in companies when Peter A. Magowan joined the board, and sold them when he left, you would have a 23.5 percent return on your investment, compared to a -2.8 percent return from the S&P 500.

  9. Royal Gold - Wikipedia

    en.wikipedia.org/wiki/Royal_Gold

    In the 1980s, the company was named Royal Resources, Inc., and was an oil-exploration company. [3] In 1986, H. Stanley Dempsey, a board member of the public company, transformed the company into a gold mining company and renamed the company Royal Gold, Inc. [3] Dempsey served as Royal Gold's chief executive officer through 2006, as its executive chairman through 2008, and its non-executive ...