AM_Wiserite
Formula: Mn14 B8 (O32 Mg.5) Si.5 Cl.8 H8
Name: Wiserite
Unit cell: 20.192 20.192 3.281 90.0 90.0 90.0 , V=1337.72
Space group: P14/N1 (1)

Pertlik F , Dunn P J , American Mineralogist , 74 (1989) p.1351-1354, Crystal structure of wiserite