The most extraordinary rock on Earth isn't gold or diamond, but the metal is small enough to hold in your hand. Powerful enough to power a city

A plain-looking lithium rock is now more valuable to the modern economy than its appearance suggests. Hidden inside are critical minerals that power electric vehicle batteries, smartphones, renewable energy storage, and America's growing clean energy network. The U.S. Geological Survey classifies lithium as a critical mineral because demand continues to rise with battery manufacturing and energy security goals.

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