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Get PriceThe content of pyrite is 2045 accounting for more than 90 of the total metal minerals 2 The Extraction Processes of GoldPyrite Ore The treatment principle of goldpyrite ore is to separate the sulfide from the gangue and dissolve the gold in the cyanide solution
The pyrite in which small amounts of gold occurs is of crystalline variety primary pyrite The characteristics of primary pyrite are a absence of porosity an extreme brittleness a resistance to oxidation and the existence of gold possessing a weak susceptibility to magnetism due to a fine coating of a iron compound
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Online ChatSome pyrites can contain 025 gold by weight or more Although this is a tiny fraction of the ore the value of gold is so high that the pyrite might be a worthwhile mining target If pyrite contains 025 gold and the gold price is 1500 per troy ounce then one ton of pyrite will contain about 73 troy ounces of gold worth over 109000
Online ChatThe Miller process uses gaseous chlorine to extract impurities when gold is at melting point impurities separate into a layer on the surface of the molten purified gold The Miller process is rapid and simple but it produces gold of only about 995 percent purity The Wohlwill process increases purity to about 9999 percent by electrolysis
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Online ChatPyrite Commonly called fool’s gold pyrite is the Earth’s most abundant sulfide mineral Recognized for its brassyellow color which resembles that of gold pyrite is a source of iron and sulfur and is used for the production of sulfuric acid Some types of pyrite contain enough microscopic gold to warrant mining them as a gold ore
Online ChatOct 14 2020 · Their indepth surveys pinpoint select gold regions where a prospector’s chances of finding gold are most likely The American Mining Rights Association AMRA also keeps tabs on gold hot spots While the amount of romantic lore associated with the California Gold Rush 100 years ago remains this state is no longer the gold capital of the US
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Online ChatThe process mineralogy of gold The classification of ore The principal gold minerals that affect the processing of gold ores are native gold electrum AuAg tellurides aurostibite maldonite and auricupride In addition submicroscopic solid solution gold principally in arsenopyrite and pyrite
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Online ChatPyrite was once a source of sulfur and sulfuric acid but today most sulfur is obtained as a byproduct of natural gas and crude oil processing Today pyrite is sometimes sold as a novelty item or costume jewelry But pyrite isn’t entirely useless in fact it’s a good way to find real gold because the two form together under similar conditions
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