Parasibirksite Sun W, Huang Y-X, Li Z, Pan Y, Mi J-X The Canadian Mineralogist 49 (2011) 823-834 Hydrothermal synthesis and single-crystal X-ray structure refinement of three borates: sibirskite, parasibirskite and priceite Locality: synthetic Note: T = 295 K _database_code_amcsd 0018464 6.6994 5.4269 3.5534 90 93.048 90 P2_1/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) Ca(1) .35260 .25 .24837 .0115 .0072 .0094 0 .00105 0 H(1) -.030 .863 .974 .5 .0480 B(1) .2251 .75 .7704 .0092 .0112 .0088 0 -.0002 0 O(1) .0236 .75 .8724 .0115 .0293 .0322 0 .0074 0 O(2) .3188 .5318 .7367 .0198 .0085 .0119 -.0002 .0026 -.0003