Summary
Recent advancements in geology have shed light on the origins and formation of gemstones, particularly focusing on the gem found in the tomb of the Egyptian pharaoh Tutankhamen. This ornate breastplate gem, which depicts the god Ra as a beetle, has been linked to a cosmic event, as researchers now believe it formed from a meteorite impact that melted desert sand into glass, known as Libyan Desert Glass.
The podcast delves into the various ways gems can form, including through volcanic activity, lightning strikes, and the slow cooling of molten rock. It explains that the characteristics of gems, such as hardness, color, and inclusions, can vary widely based on their formation processes. For instance, the same mineral can produce different gemstones, as seen with rubies and sapphires, which are both forms of corundum.
As the gemstone market continues to thrive, valued at approximately $36 billion, the conversation also touches on the rise of synthetic gems, which are created in laboratories under conditions that mimic natural processes. This shift raises questions about sustainability and ethical considerations in gem mining, as many consumers seek alternatives that do not contribute to environmental degradation or human rights abuses. The episode concludes by emphasizing the enduring human fascination with gems, linking contemporary interests to historical reverence for these beautiful stones.
Show Notes
For most of human history, one thing has been true – we LOVE shiny things. Gems are the crown jewels (pun intended) of geology, and for thousands of years, we’ve wanted to know all about them. In today’s episode of Crash Course Geology, we’ll explore some of those burning questions, like, what are they? Where do they come from? And are they actually that special? Learn more with these resources:Human Rights Watch: The Hidden Cost of Jewelry https://www.hrw.org/report/2018/02/08/hidden-cost-jewelry/human-rights-supply-chains-and-responsibility-jewelryGemological Institute of America: The Color of Responsibility: Ethical Issues and Solutions in Colored Gemstoneshttps://www.gia.edu/doc/GG-SU16-Archuleta.pdfIntroduction: King Tut's Space Gem 00:00What is a Gem 0:38Gem Qualities 3:45The Gem Trade 6:46Review and Credits 8:42Sources: https://docs.google.com/document/d/1RpwM8ZQPFk_DkzMJjMdtRrNGrJSNJ7FbgmQybSZ2Cqo/edit?tab=t.0 Check out our CC Geology Extracurricular Playlist here: https://www.youtube.com/playlist?list=PL8dPuuaLjXtOmqnkvEtNVOrm0eaIjFjJ7 ***Support us for $5/month on Patreon to keep Crash Course free for everyone forever! https://www.patreon.com/crashcourseOr support us directly: https://complexly.com/supportJoin our Crash Course email list to get the latest news and highlights: https://mailchi.mp/crashcourse/emailGet our special Crash Course Educators newsletter: http://eepurl.com/iBgMhYThanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:Mike Cumings, Jr., NassauLinda, Chuck Smith, DexcilaDou, Martin G. Diller, Johnathan Williams, Allison Wood, Katrix , Jason Terpstra, Evan Nelson, Jennifer Wiggins-Lyndall, Dalton Williams, Chelsea S, Matthew Fredericksen, AThirstyPhilosopher ., Michael Maher, Mitch Gresko, Gina Mancuso, Roger Harms, Shruti S, Quinn Harden, Reed Spilmann, Brandon Thomas, Emily Beazley, Rie Ohta, oranjeez, UwU, Elizabeth LaBelle, Leah H., David Fanska, Andrew Woods, Kevin Knupp, Barbara Pettersen, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Tanner Hedrick, Kristina D Knight, Samantha, Krystle Young, Perry Joyce, Scott Harrison, Alan Bridgeman, Breanna Bosso, Matt Curls, Jennifer Killen, Duncan W Moore IV, Sarah & Nathan Catchings, team dorsey, Bernardo Garza, Trevin Beattie, Pietro Gagliardi, John Lee, Eric Koslow, Indija-ka Siriwardena, Jason Rostoker, Siobhán, Ken Penttinen, Nathan Taylor, Barrett, Les Aker, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, Triad Terrace, Katie Dean, Jason Buster, Emily T, Stephen McCandless, Thomas, Joseph Ruf, Wai Jack Sin, Ian Dundore, Erminio Di Lodovico, Evol Hong, Tandy Ratliff, Caleb Weeks, Luke Sluder__Want to find Crash Course elsewhere on the internet?Instagram - https://www.instagram.com/thecrashcourse/Facebook - http://www.facebook.com/YouTubeCrashCourseBluesky - https://bsky.app/profile/thecrashcourse.bsky.socialCC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices
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