AM_Kalborsite
Formula: K6 Al4 Si6 O24 B Cl H4
Name: Kalborsite
Unit cell: 9.851 9.851 13.06 90.0 90.0 90.0 , V=1267.37
Space group: P-421C (114)

Malinovskii Y A , Belov N V , Doklady Akademii Nauk SSSR , 252 (1980) p.611-615, Crystal structure of kalborsite