andesine


an·de·sine

A5302600 (ăn′də-zēn′)n. A white, gray, green, or yellow variety of plagioclase feldspar that contains approximately equal proportions of sodium and calcium and occurs in igneous rocks of intermediate silica content, such as andesite and diorite.

andesine

(ˈændɪˌziːn; -zɪn) n (Minerals) a feldspar mineral of the plagioclase series consisting of an aluminium silicate of sodium and calcium. Formula: NaAlSi3O8.CaAl2Si2O8[C19: from the Andes (where it is found) + -ine1]