Copper can also be mixed with other metals to make valuable alloys such as bronze, pewter and brass.
Experts say this may explain why some objects are very worn in places because gold is very soft unless it is alloyed with other metals.
Lumping gold in with other metals is another no-no.
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Recycling of indium along with other rare metals (3) will also prove pivotal.
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Along with many other metals, the price of silver fell sharply in April, but unlike gold it has not even regained the ground it lost.
Silver has outperformed gold this week, rising with the other industrial metals.
In other markets, reductions in net-long positions were seen in both the disaggregated and legacy weekly commitment of traders reports in all other metals, with speculators turning net-short in copper.
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Meanwhile, other precious metals with industrial ties such as silver and the platinum group metals have faltered as investors move from risk and from concerns about reduced global growth increase amid disappointing economic data.
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Miners can use underwater robots to dig up deposits left from "black smokers, " which are little towers of metallic sulfides that form after magma forces fluids with copper, gold and other metals through the seafloor.
"With demand for steel and other metals from China likely to remain strong for the foreseeable future, even if it does cool from recent white-hot levels, we think RT offers excellent value, even as we concede that the stock price has already had a great run, " he says.
Meanwhile, Ford, Nissan, Audi, key Chinese and other automakers are lightweighting with familiar metals, saving somewhat less fuel at a comparable cost per gallon.
The water, however, comes back up to the surface, and when it does it is fouled with raw petroleum liquids, metals and other gunk.
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While gold may be steady with a firmer bias next week, other precious metals will likely be anchored in the short term.
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Based in Toronto, Franco-Nevada is a gold focused royalty and stream company with additional interests in platinum group metals and other resource assets.
Afghan officials in Helmand told the BBC the bomb was made with "potent explosives and had metals and other items aimed at inflicting massive destruction".
Investors seem to be taking a new look at the platinum group metals, which rallied in January with other commodities.
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As a result, these investors may want to revisit their utilization of commodities, including gold and other precious metals, and feel comfortable with their existing investment allocations to this asset class.
The metals have risen sharply since early August with other markets, including equities.
The company said it planned to extract tin and other metals, including zinc and copper, with the hope of creating at least 220 jobs.
Also on 15 November, Russian President Boris Yeltsin took control of the production and distribution of -- and the hard currency revenues associated with -- oil, diamonds, gold and other precious metals on Russian territory .
So gold firms tend to sell off seams of any other metals they discover, and to merge only with one another.
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Having started playing the social metal game with aluminum it will be interesting to see if the Chinese start acquiring other metals in the name of maintaining employment levels in loss-making mines and smelters.
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That was the year the government was formulating a draft mining charter, proposing that companies be at least 26% black-owned in order to get a government mining license. (The draft became law in 2005.) Since then Motsepe has diversified, swallowing up or forming partnerships with several other old mining companies and adding a swath of minerals: precious metals (platinum and its cousins), nickel, chrome, iron, manganese and coal.
The water from the mine is contaminated with a range of metals which, untreated, could impact on shellfish and other ecology in the Fal Estuary.
The water from Wheal Jane mine is contaminated with a range of metals which, untreated, could impact on shellfish and other ecology in the Fal Estuary.
Rio Tinto competes with global metals and mining giants like Vale, BHP, Freeport McMoran and other companies that mine bauxite, copper, coal and iron ore.
Projected operating costs are expected to be lower than other mines because metals are closer to the surface, Begic said, with platinum assets about 80 meters below the surface.
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Rio Tinto competes primarily with global metals and mining giants like Vale, BHP, Freeport McMoran and other companies like Cliffs Resources that mine bauxite, copper, coal and iron ore.
Friday will be an extra important trading day for the precious metals and for most other markets, heading into an uncertain weekend with traders and investors wondering what to expect on the EU front come next Monday.
Rio Tinto, the global mining giant, competes primarily with global metals and mining giants like Vale, BHP Billiton, Freeport McMoran and other companies that mine bauxite, copper, coal and iron ore.
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