Klyuchevskite Gorskaya M G, Filatov S K, Rozhdestvenskaya I V, Vergasova L P Mineralogical Magazine 56 (1992) 411-416 The crystal structure of klyuchevskite, K3Cu3(Fe,Al)O2(SO4)4, a new mineral from Kamchatka volcanic sublimates Locality: Tolbachik Main Fracture Eruption, Kamchatka Peninsula, Russia _database_code_amcsd 0014497 18.6670 4.94 18.405 90 101.5 90 I2 atom x y z occ Biso K1 .5 .448 .5 1.47 K2 0 .464 .5 1.69 K3 .37 .503 .746 1.5 K4 .429 -.019 .28 1.88 Cu1 .186 0 .535 1.5 Cu2 .259 .015 .41 1.2 Cu3 .17 .485 .416 1.0 Fe .302 .528 .531 .82 .9 Al .302 .528 .531 .18 .9 S1 .184 .535 .628 1.05 S2 .329 .48 .366 1.32 S3 .074 -.022 .366 .91 S4 .407 .02 .604 1.23 O1 .173 .48 .708 1.5 O2 .136 .334 .568 1.5 O3 .16 .8 .608 1.5 O4 .261 .521 .62 1.5 O5 .35 .507 .445 1.5 O6 .39 .443 .329 1.5 O7 .318 .776 .356 1.5 O8 .274 .233 .343 1.5 O9 .005 .038 .315 1.5 O10 .09 .663 .363 1.5 O11 .064 .027 .445 1.5 O12 .134 .178 .358 1.5 O13 .478 .014 .575 1.5 O14 .415 .052 .687 1.5 O15 .391 .331 .586 1.5 O16 .349 .841 .553 1.5 O17 .232 .755 .478 1.5 O18 .226 .254 .477 1.5