Abstract
With the completion of the relocating and hard surfacing of the Minnesota portion of the Lake Superior International Highway (U. S. #61), the Thomsonite Beach zeolite locality on the north shore of Lake Superior in Cook County, Minnesota, is now quickly and easily accessible. It is from this area that the finest and most highly prized specimens of semiprecious thomsonite and allied zeolites have been obtained. In addition to thomsonite, N. H. Winchell identified mesolite, lintonite, and scolecite.
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