AM_Ruitenbergite
Formula:
Ca9 B26 O71 Cl4 H50
Name:
Ruitenbergite
Unit cell:
19.857 9.708 17.522 90.0 114.68 90.0 , V=3069.20
Space group:
P1211 (4)
Grice J D , Burns P C , Hawthorne F C , The Canadian Mineralogist , 32 (1994) p.1-14, Determination of the megastructures of the borate polymorphs pringleite and, ruitenbergite