AM_Olenite Formula: Na.693 Ca.011 K.002 Al7.308 Mn1.233 Fe.021 Li.378 Si5.928 B3 O31 H3 Name: Olenite Unit cell: 15.9466 15.9466 7.1384 90.0 90.0 120.0 , V=1572.05 Space group: R3M (160)

Ertl A , Hughes J M , Prowatke S , Rossman G R , London D , Fritz E A , American Mineralogist , 88 (2003) p.1369-1376, Mn-rich tourmaline from Austria: structure, chemistry, optical spectra, and, relations to synthetic solid solutions, Sample BT from Eibenstein an der Thaya, Lower Austria