AM_Zaccagnaite Formula: (Al.333 Zn.667) O5 C H2 Name: Zaccagnaite Unit cell: 3.0725 3.0725 15.114 90.0 90.0 120.0 , V=123.56 Space group: P63/MMC (194)
Merlino S , Orlandi P , American Mineralogist , 86 (2001) p.1293-1301, Carraraite and zaccagnaite, two new minerals from the Carrara marble quarries:, their chemical compositions, physical properties and structural features