Eckhardite
Kampf A R, Mills S J, Housley R M, Rossman G R, Marty J, Thorne B
American Mineralogist 98 (2013) 1617-1623
Lead-tellurium oxysalts from Otto Mountain near Baker, California: XI.
Eckhardite, (Ca,Pb)Cu2+Te6+O5(H2O), a new mineral with HCP stair-step layers
Locality: Otto Mountain near Baker, California, USA
_database_code_amcsd 0020260
8.1606 5.3076 11.4412 90 101.549 90 P2_1/n
atom      x      y      z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca    .2362  .9968  .3698 .962 .0175  .0184  .0139  .0204  .0018  .0044  .0030
Pb    .2362  .9968  .3698 .073 .0175  .0184  .0139  .0204  .0018  .0044  .0030
Cu    .8940  .5633 .23743 .971 .0132  .0154  .0064  .0208  .0019  .0106  .0018
Mg    .8940  .5633 .23743 .005 .0132  .0154  .0064  .0208  .0019  .0106  .0018
Fe    .8940  .5633 .23743 .002 .0132  .0154  .0064  .0208  .0019  .0106  .0018
Te   .93390 .04791 .11673 .986 .0099  .0120  .0063  .0133  .0003  .0073  .0005
O1    .7918  .3049  .0532       .014   .010   .020   .012   .002   .001   .006
O2    .0375  .2634  .2423       .011   .013   .009   .013  -.001   .010  -.004
O3    .0707  .7724  .1921       .011   .007   .014   .013  -.006   .008  -.005
O4    .7633  .8812  .1843       .014   .014   .006   .026   .001   .010   .004
O5    .1144   .153  .0322       .016   .009   .023   .016  -.002   .004   .000
Wat   .0354   .756  .4495       .026   .024   .030   .024   .003   .009   .000