Gold nugget
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A gold nugget is a naturally occurring piece of native gold. Watercourses often concentrate the nuggets and they are recovered by placer mining. They are often not pure 24K in compositon but rather about 20 to 22K (~about 83% to 92%). The common impurities are silver and copper.
The largest gold nugget ever found was the Welcome Stranger, found in Victoria, Australia in 1867. It weighed over 2,100 troy ounces (65.2 kg). The largest gold nugget in existence is the Hand of Faith, found by Kevin Hillier in Victoria in 1980 using a metal detector.
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