Challacolloite
Schluter J, Pohl D, Britvin S
Neues Jahrbuch fur Mineralogie, Abhandlungen 182 (2005) 95-101
The new mineral challacolloite, KPb2Cl5, the natural occurrence of a
technically known laser material
Locality: Challacollo silver mine, Iquique, Atacama desert, Chile
_database_code_amcsd 0019134
8.864 7.932 12.491 90 90.153 90 P2_1/c
atom     x     y     z Biso
K    .0151 .0429 .8295 2.63
Pb1  .5054 .9863 .1736 2.63
Pb2  .2449 .9353 .4937 2.63
Cl1  .0413 .3082 .0715 2.63
Cl2  .4660 .3455 .1011 2.63
Cl3  .2555 .1471 .3110 2.63
Cl4  .2728 .5306 .4873 2.63
Cl5  .2175 .6941 .2195 2.63