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 0012184 5.5075 6.7508 9.3054 90 94.590 90 P2_1/n atom x y z Ca1 .226 .341 .428 Ca2 .223 -.003 -.296 Si .266 -.219 .417 O1 .223 .005 .442 O2 .015 -.319 .366 O3 .470 -.246 .311 O4 .349 -.312 -.426