loganiten.
/ˈləʊɡənʌɪt/ Mineralogy.
An altered hornblende, near penninite in composition.
ΚΠ
1865 W. B. Carpenter in Intellectual Observer No. 40. 286 Loganite (dark-green silicate of magnesia).
This entry has not yet been fully updated (first published 1903; most recently modified version published online June 2018).
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n.1865