from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A monoclinic-prismatic mineral containing barium, fluorine, hydrogen, oxygen, silicon, sodium, strontium, and titanium.
from The Century Dictionary and Cyclopedia
- n. A mineral from the nephelite-syenite of Kola, Russian Lapland, related to astrophyllite in form, cleavage, and probably in composition.
Sorry, no example sentences found.
Wordnik is becoming a not-for-profit! Read our announcement here.