[待更新] GIM operates a state of the art muscovite mica facility. This unique operation has patents that cover the recovery and separation of pure, clean mica from the sands and clays of the original Georgia Coastal Plain and the grinding technology that grinds the crude mica into a variety of finished mica products.ing of this muscovite mica into a variety of high purity, high aspect ratio, low bulk density, mica...