olivine


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Related to olivine: pyroxene

ol·i·vine

 (ŏl′ə-vēn′)
n.
A mineral silicate of iron and magnesium, principally (Mg, Fe)2SiO4, found in igneous and metamorphic rocks and used as a structural material in refractories and in cements. Also called chrysolite.
[olive (from its color) + -ine.]
ol′i·vin′ic (-vĭn′ĭk), ol′i·vi·nit′ic (-və-nĭt′ĭk) adj.
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.

olivine

(ˈɒlɪˌviːn; ˌɒlɪˈviːn)
n
1. (Minerals) an olive-green mineral of the olivine group, found in igneous and metamorphic rocks. The clear-green variety (peridot) is used as a gemstone. Composition: magnesium iron silicate. Formula: (MgFe)2SiO4. Crystal structure: orthorhombic. Also called: chrysolite
2. (Minerals) any mineral in the group having the general formula (Mg,Fe,Mn,Ca)2SiO4
[C18: from German, named after its colour]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ol•i•vine

(ˈɒl əˌvin, ˌɒl əˈvin)

n.
any of a group of magnesium iron silicates, (Mg,Fe)2SiO4, occurring in olive-green to gray-green masses as an important constituent of basic igneous rocks. Also called chrysolite.
[1785–95; < German Olivin=Olive olive + -in -ine2]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

ol·i·vine

(ŏl′ə-vēn′)
An olive-green to brownish-green mineral consisting primarily of iron, magnesium, and silica. Olivine is a common mineral in the igneous rocks, such as basalt and gabbro, that make up most of the Earth's crust beneath the oceans.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

olivine

A dark green silicate.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.olivine - a mineral consisting of magnesium iron silicate; a source of magnesium
atomic number 12, magnesium, Mg - a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
chrysolite - a brown or yellow-green olivine found in igneous and metamorphic rocks and used as a gemstone
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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It appears to have formed by reactions between trapped water and olivine.
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In their study, the team analysed common minerals such as olivine and plagioclase which grew deep within the volcanoes and were subsequently erupted from the Gakkel Ridge located beneath the Arctic Ocean between Greenland and Siberia.
Cardiff University: Scientists uncover deep-rooted plumbing system beneath ocean volcanoes
Tuesday evening contract bridge: The results for June 11 are: Mike Haller, 4,810 points; Candy Goldfarb, 4,720 points; Donna Prisner, 4,580 points; Bob Sears, 4,290 points; Richard Houde, 4,110 points; and Olivine Groves, 4,040 points.
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One image studied by the researchers showed a Mars region called Nili Fossae, a fractured-looking area rich in the mineral olivine. They pointed to the presence of the mineral on the surface as a possible sign of ancient volcanic activity as olivine is usually found in the cores of planets.&nbsp;
Mars Photo Shows Martian Mineral Formation From Planet's Early Days
Geochemical signatures of dolerite, olivine dolerite and lamprophyres suggest that these rocks belong to alkali series by classification, may be alkaline in nature.
PETROLOGY AND GEOCHEMISTRY OF DOLERITE AND LAMPROPHYRE SILLS IN MESOZOIC SUCCESSIONS OF WESTERN SULAIMAN FOLD-THRUST BELT, PAKISTAN
Vesuvius USA Corporation contracted with American Commercial Lines LLC (now known as American Commercial Barge Line LLC, or "ACBL") to transport olivine sand by river barge from Louisiana to Kentucky.
Breach of Contract
[USPRwire, Tue Oct 09 2018] Pyroxenite is an ultrabasic rock that consists of minerals that belong to the pyroxenes group-- predominantly, ferromagnesian minerals other than olivine. Ferromagnesian minerals is a commercial source of magnesia coupled with silica, particularly used in metallurgy applications.
Pyroxenite Market Report with Latest Trends and Applications of / 2025
"It has been widely believed that magmas sourced from the mantle cannot directly crystallise chromite, as the mantle rocks that are being melted are rich in olivine, and therefore these melts should crystallise olivine, not chromite," said Rais Latypov from the School of Geosciences of the University of the Witwatersrand in South Africa, lead author of the study.
New study reveals how magma formed global treasures
At least 1 billion years old and possibly the parent body of the cluster's asteroids, Eureka is known to be rich in olivine, a mineral rare in asteroids but common in the mantle of Mars as well as in Martian basins.
Trojan asteroids might come from red planet
Ceramic sands had the highest contact angle while zircon and olivine shared a similar lower contact angle.
Critical characteristics affecting the surface finish of castings: surface finish is an integral part of casting quality specifications, and a recent study sought to achieve investment casting-level surface finish in sand cast components

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