Crystal Structure of (Na0.64 Ca0.1 K0.06) (Fe1.72 Al1.08 Ti0.11 Zn0.03) (Al5.7 Mg0.198 Fe0.08 Mn0.018) (B O3)3 ((Si5.76 B0.24) O18) (F0.11 (O H)3.31 O0.58)

Id1531372
Chemical name(Na0.64 Ca0.1 K0.06) (Fe1.72 Al1.08 Ti0.11 Zn0.03) (Al5.7 Mg0.198 Fe0.08 Mn0.018) (B O3)3 ((Si5.76 B0.24) O18) (F0.11 (O H)3.31 O0.58)
a (Å)15.951
b (Å)15.951
c (Å)7.164
α (°)90
β (°)90
γ (°)120
V (Å3)1578.563
Space groupR 3 m :H
Publication: Mineralogy and Petrology (2002) 75, 69-78