AM_Paragonite_6
Formula:
(Na.91 K.07 Ca.01 Ba.01) Al3.07 Ti.005 Fe.01 Mn.001 Mg.02 Si2.92 O12 H2
Name:
Paragonite
Unit cell:
5.152 8.941 19.459 90.0 94.26 90.0 , V=893.88
Space group:
C12/C1 (15)
Comodi P , Zanazzi P F , Physics and Chemistry of Minerals , 27 (2000) p.377-385, Structural thermal behavior of paragonite and its dehydroxylate:, a high-temperature single-crystal study, Sample 2: T = 210 C