Scottish National Dictionary (1700–)
Hide Quotations Hide Etymology
About this entry:
First published 1976 (SND Vol. X, list of scientific terms with Scottish connections).
This entry has not been updated since then but may contain minor corrections and revisions.
†CRAIGTONITE. Geol. An oxide of iron and manganese, found as a coating on granite, no longer treated as a species of mineral (1882 Miner. Mag. V. 30).
[Named by M. F. Heddle from Craigton, in Kincardine o' Neil, Aberdeenshire.]
