AM_Macphersonite Formula: Pb4 S (O12 C2) H2 Name: Macphersonite Unit cell: 9.242 23.05 10.383 90.0 90.0 90.0 , V=2211.87 Space group: PBCA (61)

Steele I M , Pluth J J , Livingstone A , Mineralogical Magazine , 62 (1998) p.451-459, Crystal structure of macphersonite (Pb4SO4(CO3)2(OH)2): comparison with leadhillite, Locality: Leadhills-Wanlockhead orefield, Scotland, Note: space group changed from Pcab to Pbca