AM_Ferrilotharmeyerite Formula: Ca (Fe.994 Zn1.006) As2 (O10 H2) Name: Ferrilotharmeyerite Unit cell: 9.01 6.246 7.391 90.0 115.52 90.0 , V=375.36 Space group: C12/M1 (12)

Krause W , Belendorff K , Bernhardt H J , McCammon C A , Effenberger H , Mikenda W , European Journal of Mineralogy , 10 (1998) p.179-206, Crystal chemistry of the tsumcorite-group minerals. New data on ferrilotharmeyerite,, tsumcorite, thometzekite, mounanaite, helmutwinklerite, and a redefinition of gartrellite