marcasite
Use Marcasite in a sentence
kəˌsaɪt noun
1.
Also called white iron pyrites. a common mineral, iron disulfide, FeS 2 , chemically similar to pyrite but crystallizing in the orthorhombic system.
2.
any of the crystallized forms of iron pyrites, much used in the 18th century for ornaments.
3.
a specimen or ornament of this substance.
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.
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Link To marcasite
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Marcasite
is always a great word to know.
So is gobo. Does it mean:
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
Collins
World English Dictionary
marcasite (ˈmɑːkəˌsaɪt) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 1. | a metallic pale yellow mineral consisting of iron sulphide in orthorhombic crystalline form used in jewellery. Formula: FeS2 |
| 2. | a cut and polished form of steel or any white metal used for making jewellery |
| [C15: from Medieval Latin marcasīta, from Arabic marqashītā, perhaps from Persian] | |
| marcasitical | |
| —adj | |
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
| marcasite (mär'kə-sīt', -zīt') Pronunciation Key
A light yellow to gray, metallic, orthorhombic mineral. Marcasite is a polymorph of pyrite and looks similar to it but has a lower specific gravity, is paler in color, and often has a radiating fibrous structure. Chemical formula: FeS2. |
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.
Cite This Source
Example sentences
Pyrite and marcasite are the iron sulfides common in coal regions.
The breccia is limonite-stained, but pyrite and/or marcasite has only been observed in the altered siltstone.
Coal refuse usually contains some sulfur-bearing minerals, notably pyrite and marcasite, which could result in an acidic leachate.
Marcasite may weather at faster rates than pyrite, sphalerite, and galena.
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