[ lab-ruh-daw-rahyt, lab-ruh-dawr-ahyt ]
/ ˈlæb rə dɔˌraɪt, ˌlæb rəˈdɔr aɪt /


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


This Word Of The Day Quiz Is Far From Thersitical
Have you mastered the meaning of phronesis? How about plethoric? Take the quiz on the words from the week of February 17 to 23 to find out.
Question 1 of 7

Origin of labradorite

1805–15; named after Labrador, where first discovered; see -ite1

OTHER WORDS FROM labradorite

lab·ra·dor·it·ic [lab-ruh-daw-rit-ik] /ˌlæb rə dɔˈrɪt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for labradorite

British Dictionary definitions for labradorite

/ (ˌlæbrəˈdɔːraɪt) /


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

Word Origin for labradorite

C18: named after Labrador, where it was found; see -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 labradorite

[ lăbrə-dôr′īt′, -dô-rīt′ ]

A blue, gray, green, or brown triclinic mineral that is a variety of plagioclase feldspar. It occurs in igneous rocks.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.