olivenite
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o·liv·e·nite
(ō-lĭv′ə-nīt′)n.
A mineral, Cu2(AsO4)(OH), a basic arsenate of copper, that is brown, olive green, or gray in color and found in copper deposits.
[German Olivenit : Olive, olive (from Latin olīva; see olive) + -it, n. suff. (from Latin -īta; see -ite1).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
olivenite
(ɒˈlɪvɪˌnaɪt)n
(Minerals) a green to black rare secondary mineral consisting of hydrated basic copper arsenate in orthorhombic crystalline form. Formula: Cu2(AsO4)(OH)
[C19: from German Oliven(erz) olive (ore) + -ite1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Noun | 1. | olivenite - rare green to black mineral consisting of hydrated copper arsenate that is found in copper deposits mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
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