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Ferroan carrollites, cobaltian violarites, and other members of the linnaeite group: (Co,Ni, Fe,Cu)3S4

Published online by Cambridge University Press:  05 July 2018

John F. Riley*
Affiliation:
Technical Services Department, Mount Isa Mines Limited, Mount Isa, Queensland, Australia, 4825

Summary

Electron microprobe analyses and X-ray data are given for iron-rich carrollites, cobaltian violarites, and other members of the linnaeite group. The iron-rich carrollites (8.5 wt% Fe) occur as an unmixed phase in a copper linnaeite host from the Zambian Copperbelt. Primary and secondary cobaltian violarites are reported from Rhodesia and Australia respectively with the latter recording up to 19.2 wt% Co. A diagrammatic review is given of the extremes of composition reported within the group together with the more reliable cell sizes.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1980

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