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 0012179 5.5041 6.7622 9.3281 90 94.172 90 P2_1/n atom x y z Ca1 .230 .342 .431 Ca2 .227 0 -.294 Si .270 -.220 .414 O1 .218 .009 .441 O2 .029 -.324 .369 O3 .460 -.260 .315 O4 .324 -.314 -.421