Maleevite Pautov L A, Agakhanov A A, Sokolova E V, Hawthorne F C The Canadian Mineralogist 42 (2004) 107-119 Maleevite, BaB2Si2O8, and pekovite, SrB2Si2O8, new mineral species from the Dara-i-Pioz alkaline massif, Northern Tajikistan: Description and crystal structure Locality: Dara-i-Pioz alkaline massif, Northern Tajikistan _database_code_amcsd 0005928 8.141 8.176 9.038 90 90 90 Pnma atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) BaA .38853 1/4 .08357 .01211 .01426 .01121 .01087 0 .00045 0 BT1 .2711 .0855 .4117 .0074 .0086 .0073 .0064 -.0002 .0001 .0004 SiT2 .07232 .93355 .18988 .00831 .0093 .0088 .0069 -.0002 -.0001 -.0000 O1 .2181 .9538 .07000 .0123 .0134 .0167 .0068 -.0028 .0029 -.0005 O2 .1458 .9685 .35401 .0110 .0132 .0119 .0077 -.0032 -.0020 -.0002 O3 .4293 .0653 .3369 .0115 .0119 .0114 .0113 .0013 .0021 .0009 O4 .4966 3/4 .3126 .0116 .0123 .0089 .0136 0 -.0008 0 O5 .2083 1/4 .3807 .0101 .0096 .0083 .0126 0 -.0018 0