Penfieldite
Merlino S, Pasero M, Perchiazzi N, Gianfagna A
Mineralogical Magazine 59 (1995) 341-347
X-ray and electron diffraction study of penfieldite:
average structure and multiple cells
Locality: Etruscan iron slag, Baratti beach, Piombiono, Tuscany, Italy
_database_code_amcsd 0014517
11.393 11.393 4.024 90 90 120 P-6
atom     x     y  z Biso
Pb1  .6221 .5386 .5 1.21
Pb2  .1743 .2739  0 1.15
Cl1  .8564 .8059 .5   .9
Cl2  .8272 .5324  0  1.4
Cl3  .3212 .4683 .5  1.3
OH    .590  .652  0  1.0