Green and Yellow Banded Tourmaline 4mm Faceted Coin - 15-16 Inch (Natural) They are all varieties of

They are all varieties of the mineral corundum

The stone was discovered in 2009 by a man in Mexico as a man chasing his goat up a mountain caught sight of an unusual rock

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Green and Yellow Banded Tourmaline 4mm Faceted Coin - 15-16 Inch (Natural) They are all varieties ofGreen Tourmaline ranges in color from pale green to dark emerald to shades of olive and moss green. It is an aluminum borosilicate mixed with iron, magnesium and other metals that give it its color. Tourmaline occurs in nearly every color in the rainbow and its name derives from turmali, the Sinhalese word for mixed color precious stone. Tourmaline began to be highly prized after George Kunz, a mineralogist and jeweler, sold a piece of Green