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Simpsonite and stibiotantalite from Benson pegmatite mine, Mtoko, Southern Rhodesia

Published online by Cambridge University Press:  14 March 2018

O. von Knorring  and
G. Hornung
O. von Knorring
Affiliation:
Research Institute of African Geology, Department of Geology, University of Leeds
G. Hornung
Affiliation:
Research Institute of African Geology, Department of Geology, University of Leeds
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Summary

A new occurrence of the tantalum minerals simpsonite and stibiotantalite is described from a lithium pegmatite at Mtoko, Southern Rhodesia. Optical, chemical, and powder X-ray data are given and the formula of simpsonite is considered; a new formula is proposed.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 33 , Issue 261 , June 1963 , pp. 458 - 466
Copyright
Copyright © 1963, The Mineralogical Society

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