AM_Manganvesuvianite Formula: Ca9.5 Mn1.35 Al5.15 Si9 O39 H4 Name: Manganvesuvianite Unit cell: 15.575 15.575 11.824 90.0 90.0 90.0 , V=2868.27 Space group: P14/N1 (1)

Armbruster T , Gnos E , Dixon R , Gutzmer J , Hejny C , Dobelin N , Medenbach O , Mineralogical Magazine , 66 (2002) p.137-150, Manganvesuvianite and tweddillite, two new Mn3+-silicate minerals, from the Kalahari manganese fields, South Africa, Locality: Kalahari manganese fields, South Africa