Practical Geology Season 1 Episode 21 Is This Valuable? Gems and Meteorites

  • April 20, 2023
  • 32 min

The most highly prized rocks among non-geologists are gemstones. This episode covers all 12 birthstones, plus other gems, probing the shifting categories of precious and semi-precious gems. You learn how gems form and where to find them. Even more difficult to find are meteorites. Hear tips for identifying these extraterrestrial rocks, which are unlike anything native to Earth.

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Watch Practical Geology - Is This Valuable? Gems and Meteorites (s1 e21) Online - Watch online anytime: Buy, Rent
Practical Geology, Season 1 Episode 21, is available to watch and stream on The Great Courses. You can also buy, rent Practical Geology on demand at Apple TV Channels, Prime Video, Amazon online.
  • First Aired
    April 20, 2023
  • Runtime
    32 min
  • Language
    English
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