Ulexite Formula: Ca Na B5 O17 H16 Name: Ulexite Unit cell: 8.816 12.87 6.678 90.36 109.05 104.98 , V=688.45 Space group: P-1 (2)
Ghose S , Wan C , Clark J R , American Mineralogist , 63 (1978) p.160-171, Ulexite, NaCaB5O6(OH)6*5H2O: Structure refinement, polyanion, configuration, hydrogen bonding, and fiber optics