AM_Olenite_7 Formula: Na.294 Ca.4 Si4.854 B4.062 Al8.424 Li.357 O30.94 F.06 H3.31 Name: Olenite Unit cell: 15.731 15.731 7.0638 90.0 90.0 120.0 , V=1513.85 Space group: R3M (160)

Hughes J M , Ertl A , Dyar M D , Grew E S , Shearer C K , Yates M G , Guidotti C V , The Canadian Mineralogist , 38 (2000) p.861-868, Tetrahedrally coordinated boron in a tourmaline: Boron-rich olenite from, Stoffhutte, Koralpe, Austria, Locality: Stoffhutte, Koralpe, Austria