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.
JOHNSTONITE. Geol. The same as vanadinite (1843 E. J. Chapman Mineralogy 42); a variety of galena with sulphur (1845 W. Haidinger Handbuch Mineralogie 566).
[Called after J. F. W. Johnston of Paisley (1796–1855), Reader in Chemistry and Mineralogy at Durham University.]
