Albite

AlNaO₈Si₃

Armbruster, T.Burgi, H. B.Kunz, M.Gnos, E.Bronnimann, S.Lienert, C.

American Mineralogist (1990) 75, 135-140

a=8.137Å   b=12.785Å   c=7.1583Å

α=94.26°   β=116.60°   γ=87.71°