AM_Vimsite Formula: Ca B2 O6 H4 Name: Vimsite Unit cell: 10.02 9.71 4.44 90.0 92.0 90.0 , V=431.72 Space group: C12/C1 (15)

Shashkin D P , Simonov M A , Belov N V , Doklady Akademii Nauk SSSR , 182 (1968) p.821-824, Crystal structure of a new natural borate vimsite Ca[B2O2(OH)4]