Definition of "labradorite" [lab•ra•dor•ite]

• A variety of plagioclase feldspar found in igneous rocks and characterized by brilliant colors in some specimens. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Did I think the labradorite was the right face out?"
• "What do you call "labradorite" in a second-world fantasy setting?"
• "This was Meyer's Minerals, a shop that makes jewelry and other objects from local stones such as labradorite and marble."