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.