Matlockite
Pasero M, Perchiazzi N
Mineralogical Magazine 60 (1996) 833-836
Crystal structure refinement of matlockite
Locality: Baratti beach, Tuscany, Italy
_database_code_amcsd 0014521
4.110 4.110 7.246 90 90 90 *P4/nmm
.25 -.25 0
atom   x   y     z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Pb   .25 .25 .2058  .0070  .0070  .0070      0      0      0
F    .25 .75     0   .005   .005   .005      0      0      0
Cl   .25 .25 .6497   .012   .012   .008      0      0      0