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Owyheeite from Rivertree, New South Wales

Published online by Cambridge University Press:  14 March 2018

L. J. Lawrence*
Affiliation:
University of New South Wales, Sydney

Summary

Optical and other microproperties of owyheeite Pb5Ag2Sb6S15 are presented and details given of a new locality for this rare sulpho-salt. Apparent rotation of the plane of polarization (3·5°), microhardness (112 V.H.N.), and polarization effects are all very similar to those of the other feather ores, jamesonite and boulangerite. An intimate association with pyrargyrite is further noted.

Type
Research Article
Copyright
Copyright © 1962, The Mineralogical Society

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