Hauynite
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Ha´uy`nite
(ä´wė`nīt)n. | 1. | (Min.) A blue isometric mineral, characteristic of some volcanic rocks. It is a silicate of alumina, lime, and soda, with sulphate of lime. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.