AM_Vonsenite
Formula: Fe3 B O5
Name: Vonsenite
Unit cell: 9.463 12.305 3.0727 90.0 90.0 90.0 , V=357.79
Space group: PBAM (55)

Swinnea J S , Steinfink H , American Mineralogist , 68 (1983) p.827-832, Crystal structure and Mossbauer spectrum of vonsenite, 2FeO*FeBO3