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 0012180 5.5019 6.7624 9.3387 90 94.144 90 P2_1/n atom x y z Ca1 .231 .340 .429 Ca2 .224 -.002 -.295 Si .268 -.221 .416 O1 .222 .005 .438 O2 .029 -.322 .370 O3 .466 -.251 .310 O4 .339 -.324 -.430