English
andesine
From Andes + -ine, after its type locality in the Andes of Colombia.
Today it means
noun Sodium calcium aluminum silicate, (Na_xCa_xAlSi_3O_8), a plagioclase feldspar, the third member of the albite-anorthite solid solution series. Found in fine-grained andesite lavas; crystals are rarely seen.
Language periods are conventional ranges, not dates for this word.
Etymograph / andesine