Emily Dickinson Lexicon
Definition for CO-RUND'UM
CO-RUND'UM, n.
The corindon-harmophane of Haüy, corindon-adamantin of Brongniart, the korund of Werner, and the adamantine spar of Kirwan. It is octahedral, rhomboidal or prismatic. – Cleaveland. Ure.
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