Kirkiite
Pinto D, Balic-Zunic T, Garavelli A, Garbarino C, Makovicky E, Vurro F
European Journal of Mineralogy 18 (2006) 393-401
First occurrence of close-to-ideal kirkiite at Vulcano (Aeolian Islands,
Italy): chemical data and single-crystal X-ray study
Locality: La Fossa crater, Vulcano, Aeolian Islands, Italy
_database_code_amcsd 0007156
8.700 26.237 8.774 90 119.653 90 P2_1/m
atom      x      y     z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Pb1   .7436 .00104 .2356     .0235   .018   .019   .022   .000   .002  -.002
Pb2   .5920 .12483 .4267     .0251   .024   .025   .025   .002   .011  -.002
Pb3  .07648 .12617 .9032     .0227   .028   .021   .023   .002   .016   .002
Pb4   .5851 .12619 .9084     .0187   .023   .018   .020  -.002   .015   .001
Pb5   .9312    .25 .1088      .039   .033   .034   .047      0   .016      0
Pb6   .9231    .25 .5758      .024   .045   .020   .026      0   .031      0
Pb7   .4070    .25 .5679      .039   .068   .030   .037      0   .040      0
Bi1   .2555 .00031 .2459     .0256   .019   .025   .026  -.002   .004   .001
As2    .081  .1217 .4148      .016
As3    .417  .2805  .079  .5  .012
S1     .429  .0624  .063      .021
S2     .884  .0570  .033      .015
S3     .457  .0563  .613      .015
S4     .894  .0552  .606      .012
S5     .828  .1646  .292      .011
S6     .210  .1653  .287      .014
S7     .748  .1813  .738      .019
S8     .207  .1648  .672      .017
S9     .557    .25  .940      .007
S10    .147    .25  .946      .023
S11    .543    .25  .343      .044