EXHIBIT 23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statements No. 333-92893 and No. 333-129220 on Forms S-8 of IKONICS Corporation of our report dated March 21, 2007 relating to our audits of the financial statements which appear in this Annual Report on Form 10-KSB of IKONICS Corporation for the year ended December 31, 2006. /s/ McGladrey & Pullen, LLP ---------------------------------------- Duluth, Minnesota March 21, 2007