Definitions
from The Century Dictionary.
- noun A variety of glassy feldspar, the crystals of which resemble ice.
Etymologies
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Examples
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The sides of the crater present numerous loose masses, which appear to have been ejected, and consist of glassy feldspar, ice-spar, sodalite, hauyne, spinellane, and leucite.
COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 Alexander von Humboldt 1814
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