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
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
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