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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
Gold attracts various forms of fraudulent activity. Some of the most common are: Cash for gold – With the rise in the value of gold due to the financial crisis of 2007–2010, there has been a surge in companies that will buy personal gold in exchange for cash, or sell investments in gold bullion and coins.
Gold bullion bars and coins A silver bullion bar. Bullion is non-ferrous metal that has been refined to a high standard of elemental purity. The term is ordinarily applied to bulk metal used in the production of coins and especially to precious metals such as gold and silver.
The Krugerrand is the first modern example of measuring in "pure gold": it should contain at least 12 ⁄ 11 ounces of at least 11 ⁄ 12 pure gold. Other bullion coins (for example the British Sovereign) show neither the purity nor the fine-gold weight on the coin but are recognized and consistent in their composition.
Gold mining is the extraction of gold by mining. Historically, mining gold from alluvial deposits used manual separation processes, such as gold panning. The expansion of gold mining to ores that are not on the surface has led to more complex extraction processes such as pit mining and gold cyanidation. In the 20th and 21st centuries, most ...
The standard gold bar held and traded internationally by central banks and bullion dealers is the Good Delivery bar with a 400 ozt (12.4 kg; 27.4 lb) nominal weight. However, its precise gold content is permitted to vary between 350 ozt (10.9 kg; 24.0 lb) and 430 ozt (13.4 kg; 29.5 lb). The minimum purity required is 99.5% gold.
Gold coins for sale at the Dubai Gold Souk. A gold coin is a coin that is made mostly or entirely of gold.Most gold coins minted since 1800 are 90–92% gold (22‑karat), while most of today's gold bullion coins are pure gold, such as the Britannia, Canadian Maple Leaf, and American Buffalo.
All that glitters is not gold" is an aphorism stating that not everything that looks precious or true turns out to be so. While early expressions of the idea are known from at least the 12th–13th century, the current saying is derived from a 16th-century line by William Shakespeare , " All that glisters is not gold ".