AM_Olenite_13
Formula: Na.67 Al8.88 Si4.2 B4.8 O31
Name: Olenite
Unit cell: 15.6329 15.6329 7.0365 90.0 90.0 120.0 , V=1489.25
Space group: R3M (160)

Marler B , Borowski M , Wodara U , Schreyer W , European Journal of Mineralogy , 14 (2002) p.763-771, Synthetic tourmaline (olenite) with excess boron replacing silicon in the, tetrahedral site: II. Structure analysis, Sample: 2