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        <link:definition>0020 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/BalanceSheetParenthetical" id="BalanceSheetParenthetical">
        <link:definition>0025 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>0010 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/StatementOfIncomeParenthetical" id="StatementOfIncomeParenthetical">
        <link:definition>0015 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/CashFlows" id="CashFlows">
        <link:definition>0030 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies" id="DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies">
        <link:definition>8000 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureComprehensiveIncome" id="DisclosureComprehensiveIncome">
        <link:definition>1020 - Disclosure - COMPREHENSIVE INCOME:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureVariableInterestEntities" id="DisclosureVariableInterestEntities">
        <link:definition>1050 - Disclosure - VARIABLE INTEREST ENTITIES:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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      </link:roleType>
      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureSegmentInformation" id="DisclosureSegmentInformation">
        <link:definition>1040 - Disclosure - SEGMENT INFORMATION:</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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      </link:roleType>
      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureFinancialInstruments" id="DisclosureFinancialInstruments">
        <link:definition>1060 - Disclosure - FINANCIAL INSTRUMENTS:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureFairValueMeasurements" id="DisclosureFairValueMeasurements">
        <link:definition>8010 - Disclosure - FAIR VALUE MEASUREMENTS:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureInventories" id="DisclosureInventories">
        <link:definition>1070 - Disclosure - INVENTORIES:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureGoodwill" id="DisclosureGoodwill">
        <link:definition>1080 - Disclosure - GOODWILL:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureOtherIntangibleAssetsNet" id="DisclosureOtherIntangibleAssetsNet">
        <link:definition>1090 - Disclosure - OTHER INTANGIBLE ASSETS, NET:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureLongTermDebt" id="DisclosureLongTermDebt">
        <link:definition>1100 - Disclosure - LONG-TERM DEBT:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureIncomeTaxes" id="DisclosureIncomeTaxes">
        <link:definition>1110 - Disclosure - INCOME TAXES:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureEmployeeBenefitPlans" id="DisclosureEmployeeBenefitPlans">
        <link:definition>1130 - Disclosure - EMPLOYEE BENEFIT PLANS:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureRestructuringAndOtherSeveranceCosts" id="DisclosureRestructuringAndOtherSeveranceCosts">
        <link:definition>1140 - Disclosure - RESTRUCTURING AND OTHER SEVERANCE COSTS:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureCommitmentsAndContingencies" id="DisclosureCommitmentsAndContingencies">
        <link:definition>1150 - Disclosure - COMMITMENTS AND CONTINGENCIES:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureConsolidatingFinancialInformation" id="DisclosureConsolidatingFinancialInformation">
        <link:definition>1160 - Disclosure - CONSOLIDATING FINANCIAL INFORMATION:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      </link:roleType>
      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/StatementOfStockholdersEquity" id="StatementOfStockholdersEquity">
        <link:definition>0040 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
        <link:definition>9999 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureDiscontinuedOperations" id="DisclosureDiscontinuedOperations">
        <link:definition>1030 - Disclosure - DISCONTINUED OPERATIONS:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      </link:roleType>
      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/StatementOfIncomeCalc2" id="StatementOfIncomeCalc2">
        <link:definition>0011 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS CALC 2</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/StatementOfStockholdersEquityCalc2" id="StatementOfStockholdersEquityCalc2">
        <link:definition>0041 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY CALC 2</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureBasisOfPresentationAndNewAccountingStandards" id="DisclosureBasisOfPresentationAndNewAccountingStandards">
        <link:definition>1010 - Disclosure - BASIS OF PRESENTATION AND NEW ACCOUNTING STANDARDS:</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.rockwoodspecialties.com/role/DisclosureStockBasedCompensation" id="DisclosureStockBasedCompensation">
        <link:definition>1120 - Disclosure - STOCK-BASED COMPENSATION</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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  <xsd:import namespace="http://xbrl.sec.gov/dei/2011-01-31" schemaLocation="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd"/>
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