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labradorite

[ lab-ruh-daw-rahyt, lab-ruh-dawr-ahyt ]

noun

  1. a feldspar mineral of the plagioclase group, often characterized by a brilliant change of colors, with blue and green most common.


labradorite

/ ˌlæbrəˈdɔːraɪt /

noun

  1. a blue, green, or reddish-brown feldspar mineral of the plagioclase series: used as a decorative stone. Formula: CaAl 2 Si 2 O 8 .NaAlSi 3 O 8
“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


labradorite

/ lăbrə-dôr′īt′,-dô-rīt′ /

  1. A blue, gray, green, or brown triclinic mineral that is a variety of plagioclase feldspar. It occurs in igneous rocks.


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Other Words From

  • lab·ra·dor·it·ic [lab-r, uh, -daw-, rit, -ik], adjective
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Word History and Origins

Origin of labradorite1

1805–15; named after Labrador, where first discovered; -ite 1
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Word History and Origins

Origin of labradorite1

C18: named after Labrador , where it was found; see -ite 1
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Example Sentences

They were the handsomest we saw, apparently composed in part of some fine mineral, perhaps pure Labradorite.

The waters were deep and black, the shores were steep and rocky, and some labradorite was seen.

Essentially it is a crystalline-granular compound of plagioclase, generally Labradorite and diallage.

These intermediate members are the lime-soda felspars known as oligoclase, andesine, labradorite and bytownite.

It was found to contain good crystals of augite and olivine, well striated labradorite, and titaniferous iron ore.

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labradorescentLabrador retriever