Rubicline Kyono A, Kimata M Mineralogical Magazine 65 (2001) 523-531 Refinement of the crystal structure of a synthetic non-stoichiometric Rb-feldspar Locality: synthetic _database_code_amcsd 0014559 8.839 13.035 7.175 90 116.11 90 C2/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) Rb .2960 0 .1460 .811 .0454 .0356 .0641 .0396 0 .0193 0 Al .2960 0 .1460 .062 .0454 .0356 .0641 .0396 0 .0193 0 SiT1 .0106 .1913 .2223 .755 .0474 .0451 .0544 .0478 -.0026 .0250 -.0008 AlT2 .0106 .1913 .2223 .245 .0474 .0451 .0544 .0478 -.0026 .0250 -.0008 SiT2 .7235 .1194 .3446 .745 .0492 .0480 .0565 .0505 -.0016 .0285 .0030 AlT2 .7235 .1194 .3446 .255 .0494 .0480 .0565 .0505 -.0016 .0285 .0030 OA1 0 .1557 0 .0630 .0500 .0745 .0652 0 .0262 0 OA2 .6662 0 .2834 .0490 .0611 .0585 .0388 0 .0324 0 OB .8311 .1597 .2245 .0645 .0455 .0907 .0595 .0002 .0252 -.0036 OC .0444 .3130 .2585 .0646 .0827 .0772 .0413 .0107 .0341 -.0004 OD .1692 .1292 .4026 .0560 .0617 .0538 .0671 .0012 .0416 .0002