emerald: Quick Facts

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Brazilian emerald May gemstone beryl birthstone diamond sapphire ruby aquamarine morganite mother-of-pearl garnet jade coral Cold Stones: 9 Gems That Will Make You Feel Like a Peasant

Basalt sample returned by Apollo 15, from near a long sinous lunar valley called Hadley Rille. Measured at 3.3 years old.

(Bed) Rocks and (Flint) Stones