AM_Alloriite
Formula: Si12 Al12 O61.79 Ca2.23 K2.16 Na11.61 S2.7 C.31 Cl.17 H18
Name: Alloriite
Unit cell: 12.892 12.892 21.34 90.0 90.0 120.0 , V=3071.61
Space group: P31C (159)

Rastsvetaeva R K , Ivanova A G , Chukanov N V , Verin I A , Doklady Earth Sciences , 415 (2007) p.815-819, Crystal structure of alloriite, Locality: Sabatino volcanic complex, Latium, Italy