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Soâ¦how do beryl and chromium and vanadium get together to form emerald? How emeralds are formed. Plate tectonics shifts rock formations all over the place. Well, thatâs too much of an oversimplification, but it is the reason why ocean crust sometimes ends up scrunched together with continental rock. Part of the detailed explanation of plate tectonics.
There are also excellent imitation emeralds on the market made of colored cut glass. The emeraldâs name is indirectly derived from the Greek word âsmaragdos,â a term applied to several kinds of green stones. The history of emeralds can be traced back to antiquity.