UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13G


                    Under the Securities Exchange Act of 1934

                               (Amendment No.   3    )*
                                             -------

                           Minerals Technologies Inc.
-------------------------------------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
-------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    603158106
                  ---------------------------------------------
                                 (CUSIP Number)

                                December 31, 2001
              -----------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

            Check the appropriate box to designate the rule pursuant
                        to which this Schedule is filed:

                                     [x] Rule 13d-1(b)
                                     [ ] Rule 13d-1(c)
                                     [ ] Rule 13d-1(d)


*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).



                                       13G

CUSIP No.         603158106
                  ------------------------

-------------------------------------------------------------------------------
  1     NAME OF REPORTING PERSON /
        I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

            Artisan Partners Limited Partnership
-------------------------------------------------------------------------------
  2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
        (see Instructions)
                                                              (a) [ ]
        Not Applicable
                                                              (b) [ ]
-------------------------------------------------------------------------------
  3     SEC USE ONLY
-------------------------------------------------------------------------------
  4     CITIZENSHIP OR PLACE OF ORGANIZATION

            Delaware
-------------------------------------------------------------------------------
                      5    SOLE VOTING POWER

      NUMBER OF                 None
        SHARES        ---------------------------------------------------------
     BENEFICIALLY     6    SHARED VOTING POWER
       OWNED BY
        EACH                    1,631,336
      REPORTING       ---------------------------------------------------------
       PERSON         7    SOLE DISPOSITIVE POWER
        WITH
                                None
                      ---------------------------------------------------------
                      8    SHARED DISPOSITIVE POWER

                                1,631,336
-------------------------------------------------------------------------------
  9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

            1,631,336
-------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
       (see Instructions)

           Not Applicable
-------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

           8.3%
-------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON
       (see Instructions)

           IA
-------------------------------------------------------------------------------



                                       13G

CUSIP No.         603158106
                  ------------------------

-------------------------------------------------------------------------------
  1     NAME OF REPORTING PERSON /
        S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

            Artisan Investment Corporation
-------------------------------------------------------------------------------
  2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
        (see Instructions)
                                                              (a) [ ]
        Not Applicable
                                                              (b) [ ]
-------------------------------------------------------------------------------
  3     SEC USE ONLY
-------------------------------------------------------------------------------
  4     CITIZENSHIP OR PLACE OF ORGANIZATION

            Wisconsin
-------------------------------------------------------------------------------
                      5    SOLE VOTING POWER

      NUMBER OF                 None
        SHARES        ---------------------------------------------------------
     BENEFICIALLY     6    SHARED VOTING POWER
       OWNED BY
        EACH                    1,631,336
      REPORTING       ---------------------------------------------------------
       PERSON         7    SOLE DISPOSITIVE POWER
        WITH
                                None
                      ---------------------------------------------------------
                      8    SHARED DISPOSITIVE POWER

                                1,631,336
-------------------------------------------------------------------------------
  9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

            1,631,336
-------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
       (see Instructions)

           Not Applicable
-------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

           8.3%
-------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON
       (see Instructions)

           CO
-------------------------------------------------------------------------------



                                       13G

CUSIP No.         603158106
                  ------------------------

-------------------------------------------------------------------------------
  1     NAME OF REPORTING PERSON /
        S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

            Andrew A. Ziegler
-------------------------------------------------------------------------------
  2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
        (see Instructions)
                                                              (a) [ ]
        Not Applicable
                                                              (b) [ ]
-------------------------------------------------------------------------------
  3     SEC USE ONLY
-------------------------------------------------------------------------------
  4     CITIZENSHIP OR PLACE OF ORGANIZATION

            U.S.A.
-------------------------------------------------------------------------------
                      5    SOLE VOTING POWER

      NUMBER OF                 None
        SHARES        ---------------------------------------------------------
     BENEFICIALLY     6    SHARED VOTING POWER
       OWNED BY
        EACH                    1,631,336
      REPORTING       ---------------------------------------------------------
       PERSON         7    SOLE DISPOSITIVE POWER
        WITH
                                None
                      ---------------------------------------------------------
                      8    SHARED DISPOSITIVE POWER

                                1,631,336
-------------------------------------------------------------------------------
  9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

            1,631,336
-------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
       (see Instructions)

           Not Applicable
-------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

           8.3%
-------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON
       (see Instructions)

           IN
-------------------------------------------------------------------------------



                                        13G

CUSIP No.         603158106
                  ------------------------

-------------------------------------------------------------------------------
  1     NAME OF REPORTING PERSON /
        S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

            Carlene Murphy Ziegler
-------------------------------------------------------------------------------
  2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
        (see Instructions)
                                                              (a) [ ]
        Not Applicable
                                                              (b) [ ]
-------------------------------------------------------------------------------
  3     SEC USE ONLY
-------------------------------------------------------------------------------
  4     CITIZENSHIP OR PLACE OF ORGANIZATION

            U.S.A.
-------------------------------------------------------------------------------
                      5    SOLE VOTING POWER

      NUMBER OF                 None
        SHARES        ---------------------------------------------------------
     BENEFICIALLY     6    SHARED VOTING POWER
       OWNED BY
        EACH                    1,631,336
      REPORTING       ---------------------------------------------------------
       PERSON         7    SOLE DISPOSITIVE POWER
        WITH
                                None
                      ---------------------------------------------------------
                      8    SHARED DISPOSITIVE POWER

                                1,631,336
-------------------------------------------------------------------------------
  9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

            1,631,336
-------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
       (see Instructions)

           Not Applicable
-------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

           8.3%
-------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON
       (see Instructions)

           IN
-------------------------------------------------------------------------------



Item 1(a)        Name of Issuer:

                          Minerals Technologies Inc.

Item 1(b)        Address of Issuer's Principal Executive Offices:

                          405 Lexington Avenue
                          New York, New York 10174-1901


Item 2(a)        Name of Person Filing:


                          Artisan Partners Limited Partnership
                          ("Artisan Partners")
                          Artisan Investment Corporation, the general partner of
                                  Artisan Partners ("Artisan Corp.")
                          Andrew A. Ziegler
                          Carlene Murphy Ziegler


Item 2(b)        Address of Principal Business Office:


                          Artisan Partners, Artisan Corp., Mr. Ziegler and
                          Ms. Ziegler are all located at:


                          1000 North Water Street, #1770
                          Milwaukee, WI 53202


Item 2(c)        Citizenship:


                          Artisan Partners is a Delaware limited partnership
                          Artisan Corp. is a Wisconsin corporation
                          Mr. Ziegler and Ms. Ziegler are U.S. citizens


Item 2(d)        Title of Class of Securities:

                          Common Stock


Item 2(e)        CUSIP Number:


                          603158106


Item 3           Type of Person:

                          (e)  Artisan Partners is an investment adviser
                          registered under section 203 of the Investment
                          Advisers Act of 1940; Artisan Corp. is the General
                          Partner of Artisan Partners; Mr. Ziegler and
                          Ms. Ziegler are the principal stockholders of
                          Artisan Corp.



Item 4           Ownership (at December 31, 2001):

                          (a)     Amount owned "beneficially" within the meaning
                                  of rule 13d-3:

                                  1,631,336

                          (b)     Percent of class:

                                  8.3% (based on 19,575,124 shares outstanding
                                  as of Oct. 26, 2001)

                          (c)     Number of shares as to which such person has:

                                  (i)   sole power to vote or to direct the
                                        vote: None
                                  (ii)  shared power to vote or to direct the
                                        vote: 1,631,336
                                  (iii) sole power to dispose or to direct the
                                        disposition of: None
                                  (iv)  shared power to dispose or to direct
                                        disposition of: 1,631,336


Item 5           Ownership of Five Percent or Less of a Class:

                          Not Applicable


Item 6           Ownership of More than Five Percent on Behalf of Another
                 Person:

                          The shares reported herein have been
                          acquired on behalf of discretionary clients
                          of Artisan Partners. Persons other than
                          Artisan Partners are entitled to receive all
                          dividends from, and proceeds from the sale
                          of, those shares. None of those persons, to
                          the knowledge of Artisan Partners, Artisan
                          Corp., Mr. Ziegler or Ms. Ziegler, has an
                          economic interest in more than 5% of the
                          class.


Item 7           Identification and Classification of the Subsidiary Which
                 Acquired the Security Being Reported on by the Parent Holding
                 Company or Control Person:

                          Not Applicable


Item 8           Identification and Classification of Members of the Group:

                          Not Applicable


Item 9           Notice of Dissolution of Group:

                          Not Applicable


Item 10          Certification:

                          By signing below I certify that, to the best
                          of my knowledge and belief, the securities
                          referred to above were acquired and are held
                          in the ordinary course of business and were
                          not acquired and are not held for the
                          purpose of or with the effect of changing or
                          influencing the control of the issuer of the
                          securities and were not acquired and are not
                          held in connection with or as a participant
                          in any transaction having that purpose or
                          effect.




                                    Signature
                                    ---------

         After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Date:  February 13, 2002


                                       ARTISAN INVESTMENT CORPORATION
                                           for itself and as general partner of
                                           ARTISAN PARTNERS LIMITED PARTNERSHIP




                                       By: /s/ Andrew A. Ziegler
                                           -----------------------------------
                                                  Andrew A. Ziegler
                                                  President


                                        ANDREW A. ZIEGLER

                                        /s/ Andrew A. Ziegler
                                        -------------------------------------


                                        CARLENE MURPHY ZIEGLER

                                        /s/ Carlene Murphy Ziegler
                                        -------------------------------------




                                  Exhibit Index
                                 ---------------

Exhibit 1        Joint Filing Agreement dated as of February 13, 2002 by and
                 among Artisan Partners Limited Partnership, Artisan Investment
                 Corporation, Andrew A. Ziegler, and Carlene Murphy Ziegler