Pingguite Nenert G, Missen O P, Lian H, Weil M, Blake G R, Kampf A R, Mills S J Physics and Chemistry of Minerals 47 (2020) 53 Crystal structure and thermal behavior of Bi6Te2O15: investigation of synthetic and natural pingguite Locality: Blue Bell mine, California, USA _database_code_amcsd 0020925 10.637 22.797 5.4136 90 90 90 Pnma atom x y z Bi1 .11670 .62239 .2659 Bi2 .37994 .00591 .2823 Bi3 .1380 .25 .7759 Bi4 .3903 .25 .2693 Te .1316 .12789 .2521 O1 .004 .1628 .050 O2 .011 .0721 .388 O3 .0627 .5324 .142 O4 .076 .1795 .505 O5 .2481 .1855 .124 O6 .258 .0935 .450 O7 .313 .5764 .498 O8 .325 .25 .640