Scottish National Dictionary (1700–)
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First published 1960 (SND Vol. V).
This entry has not been updated since then but may contain minor corrections and revisions.
JEWEL COAL, n.comb. A special high-grade coal (m.Sc. 1959), with a clear shining surface.m.Lth. 1819 Edb. Ev. Courant (7 Jan.):
Very best Sheriffhall Jewel Great Coal only . . . 14s. per Ton.Fif. 1841 Trans. Highl. Soc. 325:
Jewel-coal, about 3 feet thick, strong cherry, but not wrought for many years at Halbeath.Ayr. 1930 Econ. Geol. Ayr. Coalfield 109:
Above the Ayr Hard the next coal of any importance is the Jewel.Lth. 1954 A. Trueman Coalfields 359:
There are at least four “Jewel” coals in the Lothians.
