AM_Barysilite_1
Formula: Pb7.818 Ca.182 Mn Si6 O21
Name: Barysilite
Unit cell: 9.804 9.804 38.416 90.0 90.0 120.0 , V=3197.79
Space group: R-3C (167)

Kolitsch U , Holtstam D , Mineralogical Magazine , 66 (2002) p.353-363, Barysilite from Garpenberg Norra, Dalarna, Sweden: occurrence and crystal structure refinement, Locality: Garpenberg Nora mine, Dalarna, Sweden