Labradorite

Lab'ra·dor`ite noun (Min.) A kind of feldspar commonly showing a beautiful play of colors, and hence much used for ornamental purposes. The finest specimens come from Labrador. See Feldspar .
Found on http://www.encyclo.co.uk/webster/L/2

Labradorite

• (n.) A kind of feldspar commonly showing a beautiful play of colors, and hence much used for ornamental purposes. The finest specimens come from Labrador. See Feldspar.
Found on http://thinkexist.com/dictionary/meaning/labradorite/

labradorite

a feldspar mineral in the plagioclase (q.v.) series that is often valued as a gemstone and as ornamental material for its red, blue, or green ... [2 related articles]
Found on http://www.britannica.com/eb/a-z/l/3

labradorite

labradorite (lăb'rudôrīt", lăbrudôr'īt) , a variety of plagioclase feldspar.
Found on http://www.infoplease.com/ce6/sci/A0828492.html

Labradorite

Labradorite (Labrador feldspar) is a mineral found on the coast of Labrador, and formerly called Labrador hornblende, though that is the designation of hypersthene. It has the formulae (Na,Ca)AlSi3O8 and a relative hardness of 6. It is one of the plagioclase feldspars, also known as soda-lime feldspars. Others in the grouping are: albite, oligoclas...
Found on http://www.probertencyclopaedia.com/browse/HL.HTM

Labradorite

Labradorite ((Ca, Na)(Al, Si)4O8), a feldspar mineral, is an intermediate to calcic member of the plagioclase series. It is usually defined as having `%An` (anorthite) between 50 and 70. The specific gravity ranges from 2.68 to 2.72. The streak is white, like most silicates. The refractive index ranges from 1.559 to 1.573. Twinning is common. As.....
Found on http://en.wikipedia.org/wiki/Labradorite
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