AM_Botallackite Formula: Cu2 Cl O3 H3 Name: Botallackite Unit cell: 5.717 6.126 5.636 90.0 93.07 90.0 , V=197.10 Space group: P121/M1 (11)

Hawthorne F C , Mineralogical Magazine , 49 (1985) p.87-89, Refinement of the crystal structure of botallackite, Locality: Botallack mine, Cornwall, England