AM_Vesuvianite_7
Formula: Si18 Al12 Ca18.76 Na.24 O78 H9 Mn.852 Mg.148
Name: Vesuvianite
Unit cell: 15.487 15.487 11.764 90.0 90.0 90.0 , V=2821.56
Space group: P4NC (104)

Armbruster T , Gnos E , American Mineralogist , 85 (2000) p.563-569, P4/n and P4nc long-ranged ordering in low-temperature vesuvianites, Sample: from N chwaning II mine, RSA