Phlogopites and potassic richterites fro
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Ken-ichiro Aoki
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Article
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1974
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Springer
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English
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Mica nodules from the Dutoitspan and Wesselton mines, Kimberley can be divided into two groups: diopside-phlogopite nodules and potassie riehterite-phlogopite nodules. The latter is characterized by the presence of abundant potassic richterite (less than 50% by volume) and large size of the crystals