Hilgardite Burns P C, Hawthorne F C Acta Crystallographica C50 (1994) 653-655 Refinement of the structure of hilgardite-1A Note: polytype Hilgardite-1A Locality: Penobsquis potash deposit, Sussex, New Brunswick _database_code_amcsd 0010290 6.452 6.559 6.286 61.60 118.72 105.86 P1 atom x y z Uiso Cal 0 0 0 .0088 Ca2 .4524 .5484 .1099 .0099 B1 .4741 .8707 .4713 .0047 B2 .3306 .0909 .6016 .0050 B3 .5515 .0245 .0713 .0062 B4 .8823 .0030 .4837 .0074 B5 .4476 .4211 .7138 .0072 O2 .4477 .6424 .6750 .0091 O3 .7221 .9630 .5849 .0080 O4 .4205 .8525 .2258 .0062 O5 .3081 .0276 .4028 .0066 O6 .1080 .0518 .6372 .0096 O7 .3946 .3499 .5194 .0087 O8 .5119 .9652 .8620 .0062 O9 .8105 .0102 .2380 .0092 O10 .4851 .2634 .9706 .0079 Cl .9796 .4730 .8121 .0155 Wat .8862 .5813 .2218 .0213