Cossaite Demartin F, Gramaccioli C M, Campostrini I, Castellano C Mineralogical Magazine 75 (2011) 2847-2855 Cossaite, (Mg0.5,_)Al6(SO4)6(HSO4)F6*36H2O, a new mineral from La Fossa crater, Vulcano, Aeolian Islands, Italy Locality: La Fossa crater, Vulcano, Aeolian Islands, Italy Note: H atom in HSO4 group was not located _database_code_amcsd 0018525 22.010 22.010 9.238 90 90 120 R-3 atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Mg 1/3 2/3 7/6 .5 .0840 .0455 .0455 .161 .0228 0 0 Al .37501 .87307 .35346 .01662 .0141 .0188 .0161 .0075 -.0001 .0005 S1 .21195 .95870 .16739 .01769 .0189 .0191 .0168 .0108 -.0022 -.0014 S2 1/3 2/3 .69198 .5 .0211 .0195 .0195 .0241 .0098 0 0 O1 .14732 .95419 .22260 .0351 .0236 .0408 .0463 .0202 -.0024 -.0154 O2 .24997 .02178 .07647 .0380 .0471 .0205 .0273 .0026 -.0099 .0042 O3 .19434 .89589 .08023 .0250 .0372 .0232 .0190 .0185 .0017 -.0032 O4 .25714 .96364 .28903 .0287 .0318 .0483 .0164 .0279 -.0056 -.0053 O5 1/3 2/3 .8511 .5 .0560 .0667 .0667 .0344 .0334 0 0 O6 .30686 .71231 .6401 .5 .0349 .0359 .0337 .0431 .0233 .0044 .0063 F .32848 .79736 .24892 .0319 .0272 .0239 .0378 .0078 .0023 -.0094 Ow1 .45582 .90169 .23929 .0263 .0207 .0250 .0290 .0082 .0092 -.0016 Ow2 .34841 .92446 .23172 .0272 .0369 .0428 .0160 .0304 .0021 .0043 Ow3 .42288 .95598 .46392 .0241 .0280 .0224 .0163 .0085 -.0021 -.0017 Ow4 .40817 .82981 .48384 .0368 .0262 .0502 .0410 .0242 .0059 .0229 Ow5 .29490 .84390 .47033 .0258 .0178 .0326 .0215 .0086 .0052 .0006 Wat6 .34139 .74857 .0290 .0382 .0480 .0469 .0315 .0326 -.0096 -.0120 H1a .4606 .8681 .1844 .067 H1b .4992 .9437 .241 .063 H2a .3579 .9368 .1326 .106 H2b .3107 .9327 .247 .095 H3a .4316 .9653 .5639 .060 H3b .4218 .9988 .454 .073 H4a .3722 .7927 .5360 .110 H4b .4516 .8311 .474 .121 H5a .2577 .7973 .461 .054 H5b .2925 .8632 .5596 .057