labradorite definition

  • noun:
    • A variety of plagioclase feldspar within igneous rocks and described as brilliant colors in some specimens.
    • A plagioclase feldspar mineral, calcium sodium aluminum silicate, often very coarsely crystalline, used as a decorative stone for carvings and building fa├žades.
    • some sort of feldspar generally showing a lovely play of colors, and therefore much useful for ornamental purposes. The best possible specimens come from Labrador. See feldspar.
    • A lime-soda feldspar (see feldspar), among the types intermediate involving the lime feldspar, anorthite, and the soda feldspar, albite, but much more closely allied on previous.

Related Sources

  • Definition for "labradorite"
    • A variety of plagioclase feldspar within igneous rocks…
    • View More
  • Sentence for "labradorite"
  • Cross Reference for "labradorite"
65 votes

How would you define labradorite?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!