Iridium is considered by some sources to be the rarest stable element in the Earth's crust, which is part of the reason it is currently worth more than $4,000 an ounce. And, around the planet there is a thin 1-centimeter-thick layer which contains greatly elevated concentrations of this rare element. This video briefly explores whether mining this layer for its iridium content could be profitable. #short #shorts #iridium
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