Cristobalite Peacor D R Zeitschrift fur Kristallographie 138 (1973) 274-298 High-temperature single-crystal study of the cristobalite inversion Note: Cell has been corrected Sample: T = 210 C Locality: Ellora Caves, Hyderabad State, India _database_code_amcsd 0010752 4.996 4.996 7.016 90 90 90 P4_12_12 atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Si .2952486 .2952486 0 .0121174 .0121174 .0065208 .0000759 .0010809 -.0010809 O .240604 .0951468 .174822 .0425299 .0123629 .0119865 .0001831 .0044144 .0024522