Why are diamonds so rare and valuable?
Moment of Um - Podcast készítő American Public Media
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Lots of people love sparkly, pretty things – especially precious stones, like diamonds. But who decides which stones are precious? And what makes diamonds so special? We asked geologist Marc M. Hirschmann to help us find the answer.Got a priceless question? Send it to us at BrainsOn.org/contact, and we’ll help find a jewel of an answer!
