Davyne Bonaccorsi E, Merlino S, Pasero M Neues Jahrbuch fur Mineralogie, Monatshefte 1990 (1990) 97-112 Davyne: its structural relationships with cancrinite and vishnevite Locality: Monte Somma, Vesuvius, Italy _database_code_amcsd 0014841 12.705 12.705 5.368 90 90 120 P6_3/m atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) K .2217 .1136 .75 .29 .061 .0837 .0402 .0755 .0424 0 0 NaK .2217 .1136 .75 .21 .061 .0837 .0402 .0755 .0424 0 0 Na .1510 .3097 .25 .5 .052 .0344 .1044 .0381 .0504 0 0 Ca 1/3 2/3 .75 .0099 .0093 .0093 .0111 .0047 0 0 Al .0691 .4086 .75 .0062 .0052 .0057 .0082 .0030 0 0 Si .3284 .4093 .75 .0045 .0046 .0057 .0034 .0028 0 0 S 0 0 .25 1/3 .053 O1 .2145 .4307 .75 .0142 .0086 .0161 .0207 .0082 0 0 O2 .1002 .5567 .75 .0140 .0143 .0087 .0196 .0063 0 0 O3 -.0087 .3230 .0084 .0148 .0193 .0139 .0132 .0098 .0083 .0040 Cl .3150 .6372 .25 1/3 .039 .0536 .0501 .0098 .0234 0 0 OA .0400 .0200 .0200 1/18 .090 OB .0701 .1132 .3746 1/6 .090 Cl' .0490 .0400 -.0750 1/18 .156