AM_Tuzlaite Formula: Ca Na O13 B5 H8 Name: Tuzlaite Unit cell: 6.506 13.28 11.462 90.0 92.97 90.0 , V=988.98 Space group: P121/C1 (14)

Bermanec V , Armbruster T , Tibljas D , Sturman D , Kniewald G , American Mineralogist , 79 (1994) p.562-569, Tuzlaite, NaCa[B5O8(OH)2].3H2O, a new mineral with a pentaborate sheet, structure from the Tuzla salt mine, Bosnia and Hercegovina