Exhibit 24.1

POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned officers and directors of Molycorp, Inc., a Delaware corporation, hereby constitutes and appoints Mark A. Smith and James S. Allen, and each of them, as his or her true and lawful attorney or attorneys-in-fact, with full power of substitution and revocation, for each of the undersigned and in the name, place, and stead of each of the undersigned, to sign on behalf of each of the undersigned an Annual Report on Form 10-K for the fiscal year ended December 31, 2010 pursuant to Section 13 of the Securities Exchange Act of 1934 and to sign any and all amendments to such Annual Report, and to file the same, with all exhibits thereto, and other documents in connection therewith including, without limitation, a Form 12b-25, if applicable, with the Securities and Exchange Commission, granting to said attorney or attorneys-in-fact, and each of them, full power and authority to do so and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all that said attorney or attorneys-in-fact or any of them or their substitute or substitutes may lawfully do or cause to be done by virtue thereof.

     This power of attorney may be executed in multiple counterparts, each of which shall be deemed an original with respect to the person executing it.

     IN WITNESS WHEREOF, the undersigned have hereunto set their hands as of the 9^th day of March 2011.

Signature		Title
/s/ Mark A. Smith   Mark A. Smith		President, Chief Executive Officer and Director
/s/ James S. Allen   James S. Allen		Chief Financial Officer and Treasurer
/s/ Ksenia A. Adams   Ksenia A. Adams		Corporate Controller
/s/ Russell D. Ball   Russell D. Ball		Director
/s/ Ross R. Bhappu   Ross R. Bhappu		Chairman of the Board
/s/ Brian T. Dolan   Brian T. Dolan		Director
/s/ Charles R. Henry   Charles R. Henry		Director
/s/ Mark S. Kristoff   Mark S. Kristoff		Director
/s/ Alec Machiels   Alec Machiels		Director
/s/ Jack E. Thompson   Jack E. Thompson		Director