Crystal Structure of (Na.92 K.01) (Ca1.8 Mg.08 Fe.12) (Mg3.72 Fe.33 Al.92 Cr.03) (Si6.1 Al1.9) O22 F.03 (O H)1.97

Id1538875
Chemical name(Na.92 K.01) (Ca1.8 Mg.08 Fe.12) (Mg3.72 Fe.33 Al.92 Cr.03) (Si6.1 Al1.9) O22 F.03 (O H)1.97
a (Å)9.854
b (Å)17.935
c (Å)5.285
α (°)90
β (°)105.31
γ (°)90
V (Å3)900.879
Space groupC 1 2/m 1
Publication: Canadian Mineralogist (1995) 33, 867-878