Helvine from a Lithium Pegmatite Near Salisbury, Southern Rhodesia

O. von Knorring
Research Institute of African Geology, Department of Geology, The University, Leeds.

Summary: A new occurrence of helvine, the rare manganese end-member of the helvine group, is described. The mineral is found in a granite pegmatite associated with microcline-perthite, petalite, spodumene, muscovite, and spessartine. A chemical analysis of the mineral is given.

Mineralogical Magazine; March 1959 v. 32; no. 244; p. 87-89; DOI: 10.1180/minmag.1959.032.244.09
© 1959, The Mineralogical Society
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