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Ferrierite: an Australian occurrence

Published online by Cambridge University Press:  05 July 2018

B. M. England
Affiliation:
The Broken Hill Proprietary Company Limited, Central Research Laboratories, Shortland, New South Wales, Australia
J. Ostwald
Affiliation:
The Broken Hill Proprietary Company Limited, Central Research Laboratories, Shortland, New South Wales, Australia

Summary

An occurrence of the magnesian zeolite ferrierite at Unanderra, New South Wales, represents the first reported locality for this mineral in Australia. The ferrierite occurs in vesicles in latite and is associated with heulandite, laumontite, and calcite. Its crystal morphology is essentially similar to that of specimens from the type locality at Kamloops Lake in British Columbia. EPMA results are given for the Unanderra ferrierite and its chemistry relative to other known occurrences is discussed. Unanderra ferrierite contains appreciably more SrO2 than other ferrierites, but is significantly lower in K2O and Na2O.

Information

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1978

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