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Perthite


Perthite

Photo Copyright © 2006 Peter Cristofono  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Bumpus Quarry, Albany, Oxford Co., Maine, USA
Perthite = an intergrowth of microcline and plagioclase (albite). Specimen is 5 cm across. P. Cristofono specimen and photo. Field collected May 14, 2006 on a Maine Mineral Symposium field trip.

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Photo added: 16th May 2006



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