AM_Mn-foitite_1
Formula: Na.758 Ca.029 K.009 Al7.269 Mn1.074 Li.711 Ti.042 B3 Si5.904 F.538 O30.462 H3.393
Name: Mn-foitite
Unit cell: 15.9243 15.9243 7.1323 90.0 90.0 120.0 , V=1566.32
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: Tsl2w