AM_Euchlorine
Formula: K Na Cu3 S3 O13
Name: Euchlorine
Unit cell: 18.41 9.43 14.21 90.0 113.7 90.0 , V=2258.89
Space group: C12/C1 (15)

Scordari F , Stasi F , Neues Jahrbuch fur Mineralogie, Abhandlungen , 161 (1990) p.241-253, The crystal structure of euchlorine, NaKCu3O(SO4)3, Locality: Vesuvius, Italy