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Germany Developing Gold Vending Machine

It’s a novel twist on the vending machine: in go the coins, out comes a nugget of gold.

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What Are Those Rocks In My Pan?


The placer mineral identification key is designed to answer this question. It attempts to recognize all the minerals in your gold pan concentrates.

Detecting Invisible Gold


Olinghouse gold specimen.How to find gold with a metal detector: The technology certainly has improved quite a bit over the years, so when these owners are testing various types of gold on their machines and they find that some gold responds poorly or not at all...

Mining Stock Quotes and Mineral & Metal Prices


The Stonewall Jackson Mine, San Diego County, California


For obvious reasons southern California is not known historically for its gold mines. Gold production was concentrated heavily in the Sierra Nevada foothills in the northern part of the state. However, the high mountainous region of eastern San Diego County was the site of a number of productive hardrock gold mines, notably in the late 19th century.

Fabled 1933 Gold Coin Up For Sale


A 1933 Double Eagle gold coin that never went into circulation—but triggered decades of intrigue—is being sold by the federal government at auction this summer. Experts predict it could sell for millions.

Ask the Experts: Set up a small portable operation or send the ore to a custom mill?


Q: Set up a small portable operation or send the ore to a custom mill?

Ask the Experts


Q: Can a voltmeter be used to determine the type of metal/mineral present in soil?

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