K2 (Mg3.15 Fe2.59 Ti0.17 Mn0.09) (Si5.98 Al1.92 Ti0.10) O20 ((O H)1.47 F1.98)

Al_1.92F_1.98Fe_2.59H_1.47K₂Mg_3.15Mn_0.09O_21.47Si_5.98Ti_0.27

Chon ChulminKim Shin AeMoon Hi-Soo

Clays and Clay Minerals (29,1981-) (2003) 51, 519-528

a=5.3412Å   b=9.2495Å   c=10.1994Å

α=90°   β=100.337°   γ=90°