anorthoclase
[ an-awr-thuh-kleys, -kleyz ]
/ ænˈɔr θəˌkleɪs, -ˌkleɪz /
noun Mineralogy.
a variety of microcline, rich in sodium and sometimes having a play of color: sometimes considered a variety of orthoclase.
Origin of anorthoclase
Words nearby anorthoclase
anorexigenic,
anorgasmia,
anorgasmy,
anorthic,
anorthite,
anorthoclase,
anorthography,
anorthosite,
anoscope,
anosigmoidoscopy,
anosmia
Scientific definitions for anorthoclase
anorthoclase
[ ăn-ôr′thə-klās′ ]
A white to colorless triclinic mineral of the alkali feldspar group. It is a common constituent in the matrices of slightly alkaline volcanic rocks. Chemical formula: (Na,K)AlSi3O8.