Wollastonite Ohashi Y Physics and Chemistry of Minerals 10 (1984) 217-229 Polysynthetically-twinned structures of enstatite and wollastonite Sample: WO2M _database_code_amcsd 0007360 15.424 7.324 7.0692 90 95.371 90 P2_1/a atom x y z CaM1 .40056 .6248 .7389 CaM2 .39880 .1191 .7362 CaM3 .24837 .3744 .9736 Si1 .4075 .6584 .2311 Si2 .4077 .0927 .2311 Si3 .3014 .3761 .4438 OA1 .3485 .6121 .0366 OA2 .3493 .1329 .0369 OA3 .2147 .3712 .3011 OB1 .5083 .6157 .2335 OB2 .5090 .1218 .2367 OB3 .2991 .3703 .6708 OC1 .3914 .8761 .2753 OC2 .3639 .1970 .4053 OC3 .3637 .5550 .4056