Scottish National Dictionary (1700–)
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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.
CARDENITE. Geol. A trioctahedral smectite derived from biotite (1954 Clay Min. Bull. II. 120).
[So called by D. M. C. MacEwan from Carden Wood, Aberdeenshire.]