AM_Ludjibaite Formula: Cu5 P2 O12 H4 Name: Ludjibaite Unit cell: 4.445 5.873 8.668 103.62 90.35 93.02 , V=219.57 Space group: P-1 (2)

Shoemaker G L , Anderson J B , Kostiner E , American Mineralogist , 66 (1981) p.169-175, The crystal structure of a third polymorph of Cu5(PO4)2(OH)4, Note: related to pseudomalachite and ludjibaite