Potassic-ferropargasite

Al_2.729Ca_1.95Cr_0.052F_0.06Fe_2.65K_0.54Mg_1.393Mn_0.03Na_0.47O_23.94Si_5.92Ti_0.226

Banno, Y.Miyawaki, R.Matsubara, S.Sato, E.Nakai, I.Matsuo, G.Yamada, S.

Journal of Mineralogical and Petrological Sciences (2009) 104, 374-382

a=9.937Å   b=18.108Å   c=5.335Å

α=90°   β=105.30°   γ=90°