Nordenskioldine Effenberger H, Zemann J Neues Jahrbuch fur Mineralogie, Monatshefte 1986 (1986) 111-114 The detailed crystal structure of nordenskioeldine, CaSn(BO3)2 Locality: Stiepelman mine, SW Africa _database_code_amcsd 0014799 4.858 4.858 16.0800 90 90 120 R-3 atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ca 0 0 0 .0067 .0067 .0061 .00335 0 0 Sn 0 0 .5 .0034 .0034 .0046 .0017 0 0 B 0 0 .2395 .0050 .0050 .0059 .0025 0 0 O .2663 -.0313 .2417 .0059 .0073 .0091 .0044 -.0013 -.0032