https://www.dekut.com/World_Business/vv-mineral-sillimanite-is-considered-outstanding-globally/ Sillimanite is extracted using high temperature. It is found in aluminium-rich-vicinities. Owing to the processes followed at VV Mineral, India under the close watch of Vaikundarajan, Chairman, VV Mineral; the sillimanite produced is of outstanding quality and is in high demand, globally. Tue, 31 Mar 2015 09:13:42 UTC en