Abstract
A sample of a white clay-like material sent in by Mr. Noah George of Hot Springs, Virginia, for identification was found to be the rare mineral gearksutite, a hydrous fluoride of calcium and aluminum. The locality, about midway between Hot Springs and Warm Springs, Va., on the main highway, was later visited by the writer in the company of Mr. George and a more extensive collection of material was made, which is now deposited in the U. S. National Museum, at Washington, D. C. Gearksutite had previously been found only in Greenland and Colorado.
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