AM_Fluorvesuvianite Formula: Si17.606 Ca19 Fe1.368 Al10.24 Mg1.36 O72.24 F5.76 H Name: Fluorvesuvianite Unit cell: 15.5295 15.5295 11.7808 90.0 90.0 90.0 , V=2841.12 Space group: P4/NNC (126)

Britvin S N , Antonov A A , Krivovichev S V , Armbruster T , Burns P C , Chukanov N V , The Canadian Mineralogist , 41 (2003) p.1371-1380, Fluorvesuvianite, Ca19(Al,Mg,Fe)13[SiO4]10[Si2O7]4O(F,OH)9, a new mineral species, from Pitkaranta, Karelia, Russia: Description and crystal structure, Locality: Pitkaranta, Karelia, Russia