Hypertext Webster Gateway: "Labradorite"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Labradorite \Lab"ra*dor`ite\, n. (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}.
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