AM_Hydroboracite
Formula:
Mg Ca O17 B6 H12
Name:
Hydroboracite
Unit cell:
11.769 6.684 8.235 90.0 102.59 90.0 , V=632.22
Space group:
P12/C1 (13)
Sabelli C , Stoppioni A , The Canadian Mineralogist , 16 (1978) p.75-80, Refinement of the crystal structure of hydroboracite