EXHIBIT 15

                ACCOUNTANTS' ACKNOWLEDGMENT

The Board of Directors
Minerals Technologies Inc:

Re:  Registration Statement Nos: 33-59080, 33-65268 
     and 33-96558

     With respect to the subject registration statements, we
acknowledge our awareness of the use therein of our report dated
August 8, 1997, related to our review of interim financial
information.

     Pursuant to Rule 436(c) under the Securities Act of 1933,
such report is not considered a part of a registration statement
prepared or certified by an accountant or a report prepared or
certified by an accountant within the meaning of  Sections 7 and
11 of the Act.

                              Very truly yours,


                              KPMG Peat Marwick LLP

New York, New York
August 8, 1997