VERMICULITE - Kathyaini Minerals - Vermiculite Mineral ...
Vermiculite is the name given to a group of hydrated laminar minerals (aluminum-iron-magnesium-silicates) which is appears like mica. It is found in various parts of the world,but the deposits mined in SYDAPURAM region of NELLORE DIST, ANDRAPRADESH. Vermiculite is a hydrous phyllosilicate mineral that undergoes considerable expansion when heated.