Everybody loves a diamond--but what about the other gems that may not get as much attention? Today, learn all about semiprecious stones and their incredible history and uses. Later, take a quiz on Things That Used to be Rare!

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[Music: 1) GEM feat. Elaskia, "Rich Girl," 2017; 2) Frau Holle, “Ascending Souls,” 2017. Courtesy of Frau Holle, CC BY-NC 3.0 license.]