from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A monoclinic-prismatic mineral containing aluminum, calcium, hydrogen, iron, oxygen, silicon, and sodium.
from The Century Dictionary and Cyclopedia
- n. A variety of amphibole from the nephelin-syenite of Duhgannon, Hastings county, Ontario: its composition is analogous to that of garnet.
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