Tourmaline discovery at the Cryo-Genie mine: San Diego County California.
From: Rocks & Minerals
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Date: 5/1/2003
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Author: Clanin, Jim; Gochenour, Ken; Kampf, Anthony R.
What pegmatite prospector doesn't dream of discovering a pocket filled with giant tourmaline crystals? In October 2001, a small mining crew working a little-known pegmatite in north-central San Diego County, California, had their dreams come true. The remarkable 1.8 x 1.5 x 0.9-meter pocket at the Cryo-Genie mine yielded bright pink tourmaline crystals to 25 cm long and 10 cm across. It had been nearly a century since tourmaline crystals of this size had been found in southern ...
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