Note 224 — ON SOME SCOTTISH MAGICAL CHARM-STONES, OR CURING-STONES.
Reading edition
In the first chapter of Adamnan's work, the miracle is again alluded to as follows:—"He took a white stone (lapidem candidum) from the river's bed, and blessed it for the cure of certain diseases; and that stone, contrary to the law of nature, floats like an apple when placed in the water."