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.
ALLIVALITE. Geol. A rock of anorthite, olivine or feldspar (1908 Mem. Geol. Surv. Scot. 60. (Small Isles) 71).
[Named by A. Harker after Allival in Rum.]