Labradorite. A kind of feldspar, commonly showing a beautiful play of bluish-gray colors, and, hence, much used for ornamental purposes. The finest specimens come from Labrador.
“See a flame in a spark, a tree in a seed; see great things in little beginnings; look not so much to the beginning, as to the perfection, and so we shall be in some degree joyful, and thankful unto Christ.”
–Richard Sibbes, The Bruised Reed and Smoking Flax