aragonite

[ uh-rag-uh-nahyt, ar-uh-guh- ]

/ əˈræg əˌnaɪt, ˈær ə gə- /

noun

a mineral, orthorhombic calcium carbonate, CaCO3, chemically identical with calcite but differing in crystallization and in having a higher specific gravity and less marked cleavage.

Origin of aragonite

1795–1805; named after Aragon (the province, where first found) + -ite¹

Words nearby aragonite

Arafura Sea, Aragats, Arago man, Aragon, Aragonese, aragonite, Araguaía, Araguarí, Araguaya, rainy day, a, Arakan Yoma

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for aragonite

The shell consists of carbonate of lime, under one or both of the forms known to mineralogists as calcite and aragonite.
Colouration in Animals and Plants|Alfred Tylor
Like aragonite it is very frequently twinned, the compound crystals being pseudo-hexagonal in form.
Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7|Various
Many calcareous fragments consist of aragonite, wholly or principally, and this mineral tends to be replaced by calcite.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 6|Various
Calcium carbonate may crystallize in either of two forms, calcite or aragonite.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public|Frank Bertram Wade

Aragonite is the least stable form; crystals have been found altered to calcite.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4|Various

British Dictionary definitions for aragonite

aragonite

/ (əˈræɡəˌnaɪt) /

noun

a generally white or grey mineral, found in sedimentary rocks and as deposits from hot springs. Composition: calcium carbonate. Formula: CaCO 3 . Crystal structure: orthorhombic

Word Origin for aragonite

C19: from Aragon + -ite 1

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for aragonite

aragonite

[ ə-răg′ə-nīt′, ăr′ə-gə- ]

A usually white, yellowish, or pink orthorhombic mineral that can occur in many different colors. Aragonite occurs as acicular (needlelike) or tabular crystals, or as fibrous aggregates. It is found in gypsum deposits, at the tips of calcite crystals, in mollusk shells and pearls, and in living reef structures. It is a polymorph of calcite. Chemical formula: CaCO3.

单词	aragonite
释义	aragonite [ uh-rag-uh-nahyt, ar-uh-guh- ] / əˈræg əˌnaɪt, ˈær ə gə- / noun a mineral, orthorhombic calcium carbonate, CaCO3, chemically identical with calcite but differing in crystallization and in having a higher specific gravity and less marked cleavage. Origin of aragonite 1795–1805; named after Aragon (the province, where first found) + -ite¹ Words nearby aragonite Arafura Sea, Aragats, Arago man, Aragon, Aragonese, aragonite, Araguaía, Araguarí, Araguaya, rainy day, a, Arakan Yoma Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for aragonite The shell consists of carbonate of lime, under one or both of the forms known to mineralogists as calcite and aragonite. Colouration in Animals and Plants\|Alfred Tylor Like aragonite it is very frequently twinned, the compound crystals being pseudo-hexagonal in form. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7\|Various Many calcareous fragments consist of aragonite, wholly or principally, and this mineral tends to be replaced by calcite. Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 6\|Various Calcium carbonate may crystallize in either of two forms, calcite or aragonite. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public\|Frank Bertram Wade Aragonite is the least stable form; crystals have been found altered to calcite. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4\|Various British Dictionary definitions for aragonite aragonite / (əˈræɡəˌnaɪt) / noun a generally white or grey mineral, found in sedimentary rocks and as deposits from hot springs. Composition: calcium carbonate. Formula: CaCO 3 . Crystal structure: orthorhombic Word Origin for aragonite C19: from Aragon + -ite 1 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for aragonite aragonite [ ə-răg′ə-nīt′, ăr′ə-gə- ] A usually white, yellowish, or pink orthorhombic mineral that can occur in many different colors. Aragonite occurs as acicular (needlelike) or tabular crystals, or as fibrous aggregates. It is found in gypsum deposits, at the tips of calcite crystals, in mollusk shells and pearls, and in living reef structures. It is a polymorph of calcite. Chemical formula: CaCO3. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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