The story
From Andes + -ine, after its type locality in the Andes of Colombia.
Etymology from Wiktionary, CC BY-SA 4.0.
andesine
Today it means: 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. Full definition →