Levyne-Na Ballirano P, Cametti G Mineralogical Magazine 77 (2013) 2887-2899 Crystal chemical and structural investigation of levyne-Na Locality: Dunseverick, Antrim, Northern Ireland, UK _database_code_amcsd 0019981 13.43259 13.43259 22.67725 90 90 120 R-3m atom x y z occ Uiso Ca1 0 0 .1441 .76 .0808 Sr1 0 0 .1441 .02 .0808 Na1 0 0 .1441 .22 .0808 Na3 0 0 .3818 .38 .0808 K4 0 0 .4272 .22 .0808 Na4 0 0 .4272 .10 .0808 Na5 0 0 .5 .308 .0808 SiT1 .0004 .2306 .07061 .63 .0140 AlT1 .0004 .2306 .07061 .37 .0140 SiT2 .2396 0 .5 .76 .0104 AlT2 .2396 0 .5 .24 .0104 O1 .0364 .3510 .10556 .0152 O2 .0911 .1821 .0854 .012 O3 .1298 .2595 -.0925 .025 O4 .2634 0 0 .023 O5 .2201 .4402 .1805 .029 Wat1 .1600 .0800 .2150 .915 .0808 Wat2 .1369 .2737 .2646 .456 .0808 Wat3 .158 .0790 .3604 .276 .0808 Wat4 .1355 .2711 .3610 .471 .0808 Wat5 .1550 .1507 .3178 .335 .0808