AM_Matlockite
Formula: Pb F Cl
Name: Matlockite
Unit cell: 4.106 4.106 7.23 90.0 90.0 90.0 , V=121.89
Space group: P4/NMM (129)

Wyckoff R W G , Crystal Structures , 1 (1963) p.294-296, Second edition. Interscience Publishers, New York, New York, Note: tetragonal PbFCl structure