EXHIBIT 32

                   CERTIFICATION OF PERIODIC FINANCIAL REPORT
                       PURSUANT TO 18 U.S.C. SECTION 1350

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, each of the undersigned officers of AMCOL
International Corporation (the "Company") certifies that the quarterly report on
Form 10-Q of the Company for the three months ended March 31, 2005 fully
complies with the requirements of Section 13(a) or 15(d) of the Securities
Exchange Act of 1934 and information contained in that Form 10-Q fairly
presents, in all material respects, the financial condition and results of
operations of the Company.

Date: May 10, 2005                             /s/ Lawrence E. Washow
                                               --------------------------------
                                               Lawrence E. Washow
                                               Chief Executive Officer


Date: May 10, 2005                             /s/ Gary L. Castagna
                                               --------------------------------
                                               Gary L. Castagna
                                               Chief Financial Officer