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2. Talent (measurement) - Wikipedia

   en.wikipedia.org/wiki/Talent_(measurement)

   In Homer's poems, it is always used of gold and is thought to have been quite a small weight of about 8.5 grams (0.30 oz), approximately the same as the later gold stater coin or Persian daric. In later times in Greece, it represented a much larger weight, approximately 3,000 times as much: an Attic talent was approximately 26.0 kilograms (57 ...

3. Guinea (coin) - Wikipedia

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

   The first guinea was produced on 6 February 1663 (361 years ago) (); a proclamation of 27 March 1663 made the coins legal currency.One troy pound of 11 ⁄ 12 (0.9133) [citation needed] fine gold (22 carat or 0.9167 pure by weight) would make 44 + 1 ⁄ 2 guineas, [5] each thus theoretically weighing 129.438 grains (8.385 grams crown gold, 7.688 grams fine gold, or 0.247191011 ozt (troy ounces ...

4. Gold as an investment - Wikipedia

   en.wikipedia.org/wiki/Gold_as_an_investment

   Gold prices (US$ per troy ounce), in nominal US$ and inflation adjusted US$ from 1914 onward. Price of gold 1915–2022 Gold price history in 1960–2014 Gold price per gram between Jan 1971 and Jan 2012. The graph shows nominal price in US dollars, the price in 1971 and 2011 US dollars.

5. Stater - Wikipedia

   en.wikipedia.org/wiki/Stater

   (The reason being that one gold stater generally weighed roughly 8.5 g (0.27 ozt), twice as much as a drachma, while the parity of gold to silver, after some variance, was established as 1:10). The use of gold staters in coinage seems mostly of Macedonian origin. The best known types of Greek gold staters are the 28-drachma kyzikenoi from Cyzicus.

6. GOLD - Wikipedia

   en.wikipedia.org/wiki/GOLD

   Gold, a chemical element; Genomes OnLine Database; Global-scale Observations of the Limb and Disk, a NASA Explorer Mission of Opportunity; GOLD (parser), an open-source parser-generator of BNF-based grammars; Graduates of the Last Decade, an Institute of Electrical and Electronics Engineers program to garner more university level student members

7. Gold cyanidation - Wikipedia

   en.wikipedia.org/wiki/Gold_cyanidation

   The chemical reaction for the dissolution of gold, the "Elsner equation", follows: 4 Au + 8 NaCN + O 2 + 2 H 2 O → 4 Na[Au(CN) 2] + 4 NaOH. Potassium cyanide and calcium cyanide are sometimes used in place of sodium cyanide. Gold is one of the few metals that dissolves in the presence of cyanide ions and oxygen.