kaolinite mining landscape in air bara kaolin lake, bangka island of indonesia

named 1637 song yingxing ancient chinese type locality kaoling gaoling meaning high ridge kaolinite mining landscape air bara kaolin lake bangka island indonesia term typically used clayey material low iron content white nearly composed minerals groupthe kaolin-forming clays all hydrous aluminium silicates essentially al2si2o5oh4 formed decomposition other aluminous especially feldspars mineral mine