The variation in biotite usually occurs in what elements occupy the octahedral sites The color of biotite in hand sample is brown to black sometimes greenish
Read MoreDetailed description properties locality information guide about the mica mineral biotite
Read MoreBiotite also called black mica a silicate mineral in the common mica group It is abundant in metamorphic rocks both regional and contact in pegmatites and
Read MoreJul 12 2018 In this study using Fe bearing mica biotite as a model phyllosilicate mineral the effects of three common phosphonates namely IDMP
Read MoreBiotite is a common phyllosilicate mineral within the mica group with the approximate chemical Liane G September 2015 quot The effect of pH grain size and organic ligands on biotite weathering rates quot Geochimica et Cosmochimica Acta
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