VariousWords beta
Related Terms:
feldspar
agpaite
feldspathoid
missourite
nephelinite
plagioclase
volcanic
jacupirangite
rock
ijolite
eudialyte
igneous
lardalite
plutonic
foyaite
mineral
laurdalite
nephelinic
essexite
silica
Definitions:
Noun
nepheline
nephelite
Definition: a whitish mineral consisting of sodium aluminum silicate or potassium aluminum silicate in crystalline form; used in the manufacture of ceramics and enamels
Definition: A feldspathoid mineral of silica-poor igneous, plutonic and volcanic rocks. Chemically, nepheline is a plagioclase feldspar with insufficient silica to satisfy the chemical bonds. Because of the unfilled bonds, nepheline weathers rapidly and can only be seen as inclusions in freshly broken rock.