The clay chemically consist of Alumina Oxide Al2O3 around 27% and Silica Oxide SiO2 around 55%. The clay is plastic in nature and it's colour is off white. ...
Ball clays are kaolinitic sedimentary clays that commonly consist of 20–80% kaolinite, 10–25% mica, 6–65% quartz. Localized seams in the same deposit have variations in composition, including the quantity of the major minerals, accessory minerals and carbonaceous materials...
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