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Dufrenite in iron-formation on the Kangnas farm, Aggeneys district, Bushmanland, South Africa
Published online by Cambridge University Press: 05 July 2018
Abstract
An occurrence of yellowish green to green dufrenite in iron-formation from Proterozoic metamorphites on Kangnas farm near Aggeneys, Bushmanland, South Africa is described. The mineral formed by reaction between iron oxides and hydroxides and a phosphate, probably apatite. It was identified by its characteristic X-ray diffraction pattern, but microprobe analyses presented here indicate that the chemical compositions are extremely variable.
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- Non-silicate Mineralogy
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- Copyright © The Mineralogical Society of Great Britain and Ireland 1990
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