from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A rare zeolite, a hydrated barium silicate that forms vitreous white monoclinic crystals.
from the GNU version of the Collaborative International Dictionary of English
- n. A hydrous silicate of alumina and baryta, occurring usually in white cruciform crystals; cross-stone.
from The Century Dictionary and Cyclopedia
- n. A mineral belonging to the zeolite group, commonly occurring in cruciform twin crystals which vary in color from white to yellow, red, or brown. It is a hydrous silicate of aluminium and barium. Sometimes called cross-stone and andreolite.
Sorry, no etymologies found.