ALKA MINERALS and CHEMICALS Address: 25, DSIDC Sheds, Jhilmil Indl. Comp., G. T. Rd., Delhi-110 095, India Contact Person: Manufacturer of Aluminium Silicate, Alumina (Hydrated), Barytes Powder (White), Black Iron Oxide (Magnetite), Calcium Carbonate (Natural), Calcite Powder, Chalk Powder (White), China Clay Powder (White), Gypsum Powder, Hydrated Lime Powder, Magnesite Powder (MgO), Mica Powder (White), Soapstone Powder, Talcum Powder, Silica Powder (White), Quartz Powder (White), Quick Lime Powder, Kaolin Powder, Whiting Powder