Larnite Tsurumi T, Hirano Y, Kato H, Kamiya T, Daimon M Ceramic Transactions 40 (1994) 19-25 Crystal structure and hydration of belite Locality: synthetic _database_code_amcsd 0012181 5.5075 6.7509 9.3055 90 94.597 90 P2_1/n atom x y z Ca1 .227 .342 .430 Ca2 .220 -.002 -.298 Si .267 -.218 .418 O1 .217 .009 .440 O2 .020 -.331 .364 O3 .476 -.252 .310 O4 .343 -.329 -.429