-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 VKzkSKRBjIRuVN7jAThiO9lvHMd2mCXDfTgoXpQRviAFwELdFnav+Q2J+RoKGKf/
 cAk3eaTjH4x5ailPJ7RBCw==

<SEC-DOCUMENT>0000891014-03-000090.txt : 20030702
<SEC-HEADER>0000891014-03-000090.hdr.sgml : 20030702
<ACCEPTANCE-DATETIME>20030702112533
ACCESSION NUMBER:		0000891014-03-000090
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030701
FILED AS OF DATE:		20030702

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BOURUET AUBERTOT ALAIN
		CENTRAL INDEX KEY:			0001208981

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11430
		FILM NUMBER:		03770141

	MAIL ADDRESS:	
		STREET 1:		MINERALS TECHNOLOGIES INC
		STREET 2:		405 LEXINGTON AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10174

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MINERALS TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0000891014
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INORGANIC CHEMICALS [2810]
		IRS NUMBER:				251190717
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		405 LEXINGTON AVENUE
		STREET 2:		20TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10174
		BUSINESS PHONE:		212-878-1800

	MAIL ADDRESS:	
		STREET 1:		THE CHRYSLER BUILDING
		STREET 2:		405 LEXINGTON AVENUE, 19TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10174-1901
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-07-01</periodOfReport>
    <issuer>
        <issuerCik>0000891014</issuerCik>
        <issuerName>MINERALS TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>MTX</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId>
            <rptOwnerCik>0001208981</rptOwnerCik>
            <rptOwnerName>BOURUET AUBERTOT ALAIN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>SENIOR VICE PRESIDENT</officerTitle></reportingOwnerRelationship></reportingOwner><derivativeSecurity><securityTitle><value>EMPLOYEE STOCK OPTION (RIGHT TO BUY)</value></securityTitle><conversionOrExercisePrice><value>49.12</value></conversionOrExercisePrice><transactionDate><value>2003-07-01</value></transactionDate><deemedExecutionDate><value>2003-07-01</value></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>10000</value></transactionShares><transactionValue><value>0</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1988-08-08</value><footnoteId id="F1"/></exerciseDate><expirationDate><value>1988-08-08</value
><footnoteId id="F1"/></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>COMMON STOCK</value></underlyingSecurityTitle><underlyingSecurityShares><value>10000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>20000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeSecurity><derivativeSecurity><securityTitle><value>PHANTOM STOCK</value></securityTitle><conversionOrExercisePrice><value>49.12</value></conversionOrExercisePrice><transactionDate><value>2003-07-01</value></transactionDate><deemedExecutionDate><value>2003-07-01</value></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transaction
Shares><value>3900</value></transactionShares><transactionValue><value>0</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1988-08-08</value><footnoteId id="F2"/></exerciseDate><expirationDate><value>1988-08-08</value><footnoteId id="F2"/></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>COMMON STOCK</value></underlyingSecurityTitle><underlyingSecurityShares><value>3900</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>3900</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeSecurity><footnotes><footnote id="F1">THE OPTION VESTS IN THREE EQUAL ANNUAL INSTALLMENTS BEGINNING ON JULY 1, 2004.</footnote><footnote id="F2">THE PHANTOM STOCK UNITS
 VEST IN TWO EQUAL INSTALLMENTS ON JULY 1, 2008 AND JULY 1, 2013.</footnote></footnotes><ownerSignature><signatureName>LINDA A. BUGGELN FOR ALAIN BOURUET-AUBERTOT</signatureName><signatureDate>2003-07-02</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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