Samit Minerals produces and exports some of the brightest, the whitest and the purest talc lumps in world. We examine mining areas by taking out samples, make detailed feasibility report which is then transported to our Karachi stockyard for further processing to the required size for our customers. Then the procedure of packing, preserving and handling is carefully carried out for shipment. The aim always is to develop a mutually beneficial business. Our A Grade Talc Specifications. whitness 90% to 92% Calcium Oxide (cao) 0.35% Silica 59.90% Magnessium Oxide 30.43% Iron 0.53% Alumina 0.20% L.O.I 5.03%