from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A basic borate mineral of cesium, aluminum and beryllium
from The Century Dictionary and Cyclopedia
- n. A rare borate of aluminium and potassium, occurring in minute isometric crystals resembling boracite in form. It is known only from the vicinity of Ekaterinburg in the Urals.
Sorry, no etymologies found.