AM_Hechtsbergite Formula: Bi2 (V.97 As.03) O6 H Name: Hechtsbergite Unit cell: 6.971 7.535 10.881 90.0 107.0 90.0 , V=546.57 Space group: P121/C1 (14)

Krause W , Bernhardt H J , Blass G , Effenberger H , Graf H W , Neues Jahrbuch fur Mineralogie, Monatshefte , 1997 (1997) p.271-287, Hechtsbergite, Bi2O(OH)(VO4), a new mineral from the Black Forest, Germany, Locality: Hechtsberg quarry, Hausach, Black Forest, Germany