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A heulandite with excess water

Published online by Cambridge University Press:  14 March 2018

William S. Wise*
Affiliation:
Department of Geology, University of California, Santa Barbara, California

Summary

A heulandite from Nelson Creek, Skamania County, Washington, has 30 H2O per unit cell instead of the normal 24; the excess water is lost on gentle heating. The b and c cell-dimensions are also rather larger than normal. Normal heulandite also occurs in the same area.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1967

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