Planetary Gemology, also refered as Extraterrestrial Gemology, Astrogemology and Exogemology, is a branch of gemology responsible for the study of gemology on extraterrestrial planets and celestial bodies. Planetary Gemology also works together with Planetary Geography and Planetary Geology.
"Planetary Gemology is gonna be really important in the future for find gems and ores in extraterrestrial planets and worlds."

"I am going to study planetary gemology to work with extraterrestrial gems and ores."
by Full Monteirism January 13, 2021
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