Albite Downs R T, Hazen R M, Finger L W American Mineralogist 79 (1994) 1042-1052 The high-pressure crystal chemistry of low albite and the origin of the pressure dependency of Al-Si ordering P = 0, constrained data set Note: sample is from Crete _database_code_amcsd 0001683 8.1372 12.7870 7.1574 94.245 116.605 87.809 C-1 atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Na .269134 .989040 .148935 3.0 .00661 .00644 .01801 -.00103 .00518 -.00592 Al1o .008896 .168193 .207617 .64 Si1m .003984 .820432 .236646 .63 Si2o .692220 .110443 .315895 .59 Si2m .681617 .881794 .360883 .61 O(A1) .006146 .131658 .968891 1.17 O(A2) .591577 .997059 .278960 .77 O(B)o .813702 .110113 .195038 1.05 O(B)m .818977 .850892 .256290 1.19 O(C)o .012388 .301848 .269006 .96 O(C)m .023273 .693405 .227539 .92 O(D)o .206430 .108942 .386309 1.19 O(D)m .180922 .868009 .428643 1.44