AM_Painite_1
Formula: Ca.77 Na.19 Zr.94 Hf.01 V.01 Cr.03 B (Al8.82 Ti.18) O18
Name: Painite
Unit cell: 8.724 8.724 8.464 90.0 90.0 120.0 , V=557.88
Space group: P63/M (176)

Armbruster T , Dobelin N , Peretti A , Gunther D , Reusser E , Grobety B , American Mineralogist , 89 (2004) p.610-613, The crystal structure of painite CaZrB[Al9O18] revisited