AM_Pyrophyllite
Formula:
Al Si2 O6 H
Name:
Pyrophyllite
Unit cell:
5.1614 8.9576 9.3511 91.03 100.37 89.75 , V=425.21
Space group:
C-1 (2)
Wardle R , Brindley G W , American Mineralogist , 57 (1972) p.732-750, The crystal structures of pyrophyllite, 1Tc, and of its dehydroxylate