a transparent or translucent variety of orthoclase
Origin of adulariaItalian from French adulaire, after Adula, a group of mountains in Switzerland + -aire, -ary
A colorless to milky white mineral of the potassium feldspar group that forms from relatively low-temperature magmas and lacks structural homogeneity.
Origin of adulariaItalian from French adulaire after Adula , a mountain group of southeast Switzerland
- Named for the type locality at Adular, Switzerland.