AM_Adamite
Formula: As Zn2 O5 H
Name: Adamite
Unit cell: 8.306 8.524 6.043 90.0 90.0 90.0 , V=427.85
Space group: PNNM (58)

Hill R J , American Mineralogist , 61 (1976) p.979-986, The crystal structure and infrared properties of adamite