Sanidine

Al_1.04Ca_0.04K_0.65Na_0.31O₈Si_2.96

Menna, M.Tribaudino, M.Renzulli, A.

European Journal of Mineralogy (2008) 20, 183-190

a=8.437Å   b=13.003Å   c=7.172Å

α=90°   β=116.10°   γ=90°