AM_Allactite
Formula:
Mn7 As2 (O16 H8)
Name:
Allactite
Unit cell:
11.03 12.12 5.51 90.0 114.07 90.0 , V=672.55
Space group:
P121/A1 (14)
Moore P B , American Mineralogist , 53 (1968) p.733-741, Crystal chemistry of the basic manganese arsenate minerals: II. The crystal, structure of allactite