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Jadeite

The Pyroxene Minerals

Jadeite is a rare pyroxene with the formula Na(Al,Fe3+)Si2O6, one of the two minerals (with the amphibole nephrite) called jade. It forms by high-pressure metamorphism.
Sodium aluminum pyroxene
Photo (c) 2009 Andrew Alden, licensed to About.com (fair use policy)

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Gallery Index: The Pyroxene Minerals

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