Minerals and Minerals Are Sorting Different Concentrations of Elements

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Rocks and water are acting like colanders, sorting heavier elements. Different minerals crystallize at different temperatures. Diamonds can form 60 feet to 25 miles deep in the earth. But historically, diamond mining can come with a true human cost. Some of the money is used to fund more wars.

We’re back! Listen to Part 1 first, then hit this follow-up with your favorite geologist Schmitty Thompson, who answers listener questions a-plenty. Such as: What is a geode? Are crystals in gift shops even real? Where’s the best place to look at rocks? Is ice a rock? Plus: rock puns, favorite rocks, best and worst rock names, long hikes, imposter syndrome, lab-grown diamonds, fossilized trees, space rocks, lead poisoning, and puns. Welcome back to Schmitty’s Geology Corner. We’ve been waiting for you.

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Donations went to Skype a Scientist & MinDat.org

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Other episodes you may enjoy: Teuthology (SQUIDS), Areology (MARS), Ludology (VIDEO GAMES), Volcanology (VOLCANOES), Gemology (GEMS & MINERALS), Astrobiology (ALIENS), Eschatology (THE APOCALYPSE)

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Sound editing by Jarrett Sleeper of MindJam Media