United States
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549



                                     FORM 15

Certification and Notice of Termination of Registration under Section 12(g) of
the Securities Exchange Act of 1934 or Suspension of Duty to File Reports Under
Sections 13 and 15(d) of the Securities Exchange Act of 1934.

                         Commission File Number:            1-228              -
                                               ---------------------------------

                                ZEMEX CORPORATION
- --------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)

                      95 Wellington Street West, Suite 2000
                         Toronto, Ontario Canada M5J 2N7
                                 (416) 365-8080
  (Address, including zip code, and telephone number, including area code, of
                    registrant's principal executive offices)

                                  Common Shares
- --------------------------------------------------------------------------------
            (Title of each class of securities covered by this Form)

                                      NONE
- --------------------------------------------------------------------------------
             (Titles of all other classes of securities for which a
           duty to file reports under section 13(a) or 15(d) remains)

      Please place an X in the box(es) to designate the appropriate rule
provision(s) relied upon to terminate or suspend the duty to file reports:

Rule 12g-4(a)(1)(i)           [x]       Rule 12h-3(b)(1)(i)                 [x]
Rule 12g-4(a)(1)(ii)          [ ]       Rule 12h-3(b)(1)(ii)                [ ]
Rule 12g-4(a)(2)(i)           [ ]       Rule 12h-3(b)(2)(i)                 [ ]
Rule 12g-4(a)(2)(ii)          [ ]       Rule 12h-3(b)(2)(ii)                [ ]
                                        Rule 15d-6                          [ ]

               Approximate number of holders of record as of the
                        certification or notice date:            1
                                                      -------------------

Pursuant to the requirements of the Securities Exchange Act of 1934, ZEMEX
CORPORATION has caused this certification/notice to be signed on its behalf by
the undersigned duly authorized person.

DATE:  May 8, 2003                                 By:      /s/ Lino Abram
                                                            -------------------
                                                   Title:   President