Mounanaite Krause W, Belendorff K, Bernhardt H J, McCammon C A, Effenberger H, Mikenda W European Journal of Mineralogy 10 (1998) 179-206 Crystal chemistry of the tsumcorite-group minerals. New data on ferrilotharmeyerite, tsumcorite, thometzekite, mounanaite, helmutwinklerite, and a redefinition of gartrellite Locality: Mounana, Gaboon _database_code_amcsd 0006710 9.294 6.166 7.713 90 115.57 90 C2/m atom x y z Biso PbMe1 0 0 0 1.82 FeMe2 .25 .25 .5 1.51 VX .9228 .5 .2256 1.29 OH1 .3368 .5 .4183 1.43 O2 .3185 0 .3722 2.00 O3 .0406 .2729 .2663 1.40 O4 .2125 .5 -.0053 1.72