Hypertext Webster Gateway: "olivenite"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Olivenite \O*liv"en*ite\, n. (Min.)
An olive-green mineral, a hydrous arseniate of copper; olive
ore.
From WordNet (r) 1.7 (wn)
olivenite
n : rare green to black mineral consisting of hydrated copper
arsenate that is found in copper deposits
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