AM_Elbaite Formula: Na.558 Ca.125 Al7.665 Li1.248 Fe.042 Mn.045 B3.09 Si5.91 F.51 O30.49 H3.637 Name: Elbaite Unit cell: 15.8232 15.8232 7.096 90.0 90.0 120.0 , V=1538.63 Space group: R3M (160)

Bosi F , Agrosi G , Lucchesi S , Melchiorre G , Scandale E , American Mineralogist , 90 (2005) p.1661-1668, Mn-tourmaline from island of Elba (Italy): Crystal chemistry., Sample: Elb2rim