AM_Spangolite
Formula: Cu6 S Cl Al O19 H15
Name: Spangolite
Unit cell: 8.254 8.254 14.354 90.0 90.0 120.0 , V=846.90
Space group: P31C (159)

Hawthorne F C , Kimata M , Eby R K , American Mineralogist , 78 (1993) p.649-652, The crystal structure of spangolite, a complex copper sulfate sheet mineral