(Corrects name of company from Mineral to Minerals in headline, first and third paragraph)
March 3 (Reuters) - Minerals Technologies raised its offer for Amcol International Corp, a U.S. minerals and materials group, for the second time to $45 per share, or $1.46 billion.
The higher offer comes after Paris-based Imerys S.A. offered to buy Amcol for $42.75 per share on Feb. 26.
Minerals Technologies had previously offered to buy Amcol for $42.50 per share. (Reporting By Shubhankar Chakravorty in Bangalore; Editing by Maju Samuel)