Mica polytypes: Systematic description and identification

M. Ross; H. Takeda; D. R. Wones

doi:10.1126/science.151.3707.191

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Mica polytypes: Systematic description and identification

M. Ross·H. Takeda·D. R. Wones

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Abstract

X-ray studies of mica specimens from a variety of geological localities show that biotite and certain lithium-rich mica samples are composed of a mixture of different polytypes. Many of the biotite structures are new complex polytypes not before reported. A new method of designating mica polytypes is proposed. Techniques are described for the systematic generation of all the possible layer-stacking sequences of mica polytypes and for the verification of the stacking sequences in newly discovered forms.

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M. Ross, H. Takeda, D. R. Wones. 1966. Mica polytypes: Systematic description and identification. https://doi.org/10.1126/science.151.3707.191

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