Contract

EXHIBIT 10.5                 

     Employment Agreements have been executed by the Company and the indicated employees, each substantially identical in all material respects to the form of employment agreement filed as Exhibit 10.5 to the Company's 2001 Annual Report on Form 10-K except as noted below.

EMPLOYEE  AND POSITION	BASE  SALARY		DATE OF AGREEMENT	TERMINATION DATE OF AGREEMENT [IF NOT EXTENDED PURSUANT TO SECTION 1(a)]
Xxxxxx X. Xxxxxxx       Vice President,Organization        and Human Resources	$	200,000	January 1, 2002	June 30, 2003
Xxxxx Xxxxxxx-Xxxxxxxx       Senior Vice President - Minteq	$	250,000	November 25, 2002	May 31, 2004
Xxxxxxx X. Xxxxxxx      Controller and Chief      Accounting Officer	$	160,000	March 1, 2001	February 28, 2002
Xxxxxx X. Xxxxxxxx       Senior Vice President, Xxxxxx      (Senior Vice President -      Technology and Logistics      as of January 23, 2003)	$	275,000	January 1, 2002 (amended on November 25, 2002)	June 30, 2003
Xxxxx Xxxxxx      Executive Vice President	$	400,000	February 1, 2002	January 31, 2004
X. Xxxxxxx Xxxx       Vice President, General       Counsel and Secretary	$	250,000	March 1, 2001	July 31, 2002
X. Xxxxx Xxxxxxxx       Vice President and General        Manager, Performance Minerals	$	200,000	January 1, 2002	June 30, 2003
Xxxxxxx Xxxxxxxx        Vice President - Taxes	$	200,000	March 1, 2001	February 28, 2002
Xxxxxxx Xxxxxxxxx       Senior Vice President,        Paper PCC	$	240,000	January 1, 2002	June 30, 2003
Xxxx X. Xxxxxxxxxx      Chairman, President and      Chief Executive Officer	$	550,000	January 1, 2002	December 31, 2003
Xxxx X. Xxxxx       Senior Vice President, Corporate        Development and Finance       (Senior Vice President - Finance,       Chief Executive Officer and       Treasurer as of November 25,       2002)	$	265,000	January 1, 2002 (amended on November 25, 2002)	June 30, 2003