aluminosilicate

/əlumənoʊsˈɪləkeɪt/

aluminosilicate

English Noun

Definition

Any of many silicate minerals, such as feldspar and zeolite, in which a proportion of the Si⁴⁺ ions are replaced by Al³⁺, the excess negative charge being balanced by extra sodium, potassium or calcium ions.

Etymology

From alumino- + silicate.