Thanks for tagging me!
Very cool. Crazy they are running a sluice box right there in the mine. They might do better with strong UV lights as the corundum(ruby/sapphire) will light up like these I dug near Los Angeles.
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👍🙂 Interesting technique.
@princekham maybe you should check the mine waste with UV lights. 😀 Maybe, it'll make you rich. 😁
I see . Thanks! I didn't know I can check with UV lights.