AM_Davreuxite
Formula:
Mn Si4 Al6 O19 H2
Name:
Davreuxite
Unit cell:
9.518 5.753 12.04 90.0 108.0 90.0 , V=627.01
Space group:
P121/M1 (11)
Sahl K , Jones P G , Sheldrick G M , American Mineralogist , 69 (1984) p.783-787, The crystal structure of davreuxite, MnAl6Si4O17(OH)2