When did Practical Geology Season 1 Episode 21 air?
Practical Geology Season 1 Episode 21 aired on July 22, 2022.
Practical Geology
Taught by Professor James F. P. Cotter of the University of Minnesota, Morris, the fundamentals of field geology. You learn the basics of rocks, minerals, and landforms, and how to apply this knowledge to read an outcrop, find and prepare fossils, assess soil and groundwater, prospect for gems and ore, and much more.
Season 1 · Episode 21
Is This Valuable? Gems and Meteorites
Jul 22, 2022·32m
The most highly prized rocks among non-geologists are gemstones. This lecture 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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How long is Practical Geology Season 1 Episode 21?
This episode runs for approximately 32 minutes.
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