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Nerdy Fun Fact of the Day #40 – Softest Mineral on Earth

Posted on 03 July 2014 by The Secular Nerd

ff40

“Talc is the softest mineral found on Earth, reaching just 1 on Mohs scale of hardness, it is often used to make talcum powder.” – [Source]

The Secular Nerd:

And the hardest material found on earth is the skull of a Republican for how thick it is.

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