There are precious gems all around us, you just have to know how to look for them. Watch this video to learn how to use a sluice and goldwheel to separate sapphires and rubies from gravel. Prospecting can be very lucrative!
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Entrepreneurism How to Find sapphires and rubies in river and mine gravel
By WonderHowTo
Apr 14, 2011 10:54 PM
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