olivine
Use Olivine in a sentence
əˌvin, ˌɒl
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To olivine
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Olivine
is always a great word to know.
So is quincunx. Does it mean:
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
Collins
World English Dictionary
olivine (ˈɒlɪˌviːn, ˌɒlɪˈviːn) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 1. | Also called: chrysolite 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 |
| 2. | 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 & Unabridged 10th Edition
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
| olivine (ŏl'ə-vēn') Pronunciation Key
An olive-green to brownish-green orthorhombic mineral. 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. Chemical formula: (Mg,Fe)2SiO4. ◇ Olivine in which the mafic component consists entirely of magnesium is called forsterite. Chemical formula: Mg2SiO4. ◇ Olivine in which the mafic component consists entirely of iron is called fayalite. Chemical formula: Fe2SiO4. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
In general, rocks collected from the submarine extension of the southwest rift zone are rich in the heavy green mineral olivine.
The remainder was recovered from dolomite, magnesite, and olivine.
We know that magma supplied from the hot spot to the volcanoes is chock-full of olivine crystals.
Blues and greens indicate substances such as pyroxene and olivine, while warmer tones show clays and other materials.
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