from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A variety of pyroxene.
from the GNU version of the Collaborative International Dictionary of English
- n. A variety of pyroxene, from the valley of Fassa, in the Tyrol.
from The Century Dictionary and Cyclopedia
- n. A dark-green variety of pyroxene, found in the valley of Fassa in Tyrol.
Fassa + -ite, after a valley in the Tyrol. (Wiktionary)
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