an unusual zeolite, a hydrated barium silicate that types vitreous white monoclinic crystals.
A hydrous silicate of alumina and baryta, occurring usually in white cruciform crystals; cross-stone.
A mineral belonging to the zeolite team, generally occurring in cruciform twin crystals which differ in color from white to yellow, purple, or brown. It's a hydrous silicate of aluminum and barium. Sometimes called cross-stone and andreolite.
A theory or system of social reform which contemplates a complete reconstruction of society with a more just and equitable distribution of property and labor In popular usage the term is often employed to indicate any lawless revolutionary social scheme See Communism Fourierism Saint Simonianism forms of socialism...