From Further Report on Folklore in Scotland
680. Corsock.—A diamond is believed to exist in Criffle Hill. Sailors see it glittering at night as they are sailing in the Firth. It cannot be found during the day, though search has been often made for it.
Source
- Walter Gregor,
Further Report on Folklore in Scotland
, in Report of the Sixty-Seventh Meeting of the British Association for the Advancement of Science Held at Toronto in August 1987, (1898), p. 493