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orthoclase feldspar:

orthoclase feldspar: see feldspar.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved.

More on orthoclase feldspar from Infoplease:

moonstone - moonstone moonstone, an orthoclase feldspar, found in Sri Lanka, Myanmar, and Madagascar (and ...
rhyolite - rhyolite rhyolite, fine-grained light-colored acidic volcanic rock. Rhyolite is chemically the ...
feldspar - feldspar feldspar or felspar, an abundant group of rock-forming minerals which constitute 60% of ...
Encyclopedia: Mineralogy and Crystallography - Encyclopeadia articles concerning Mineralogy and Crystallography.

See more Encyclopedia articles on: Mineralogy and Crystallography

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