Ferrotschermakite Hawthorne F C, Grundy H D Mineralogical Magazine 39 (1973) 36-48 The crystal chemistry of the amphiboles. I: Refinement of the crystal structure of ferrotschermakite Locality: Frood Mine, Sudbury, Ontario, Canada _database_code_amcsd 0014457 9.8179 18.1060 5.3314 90 105.00 90 C2/m atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) NaA2 0 .4784 0 .025 1.3 KA2 0 .4784 0 .030 1.3 NaAm .0272 .5 .0621 .04 1.74 K2Am .0272 .5 .0621 .04 1.74 CaM4 0 .2806 .5 .93 .00316 .00051 .00802 0 .00233 0 MgM4 0 .2806 .5 .010 .00316 .00051 .00802 0 .00233 0 MnM4 0 .2806 .5 .01 .00316 .00051 .00802 0 .00233 0 NaM4 0 .2806 .5 .05 .00316 .00051 .00802 0 .00233 0 FeM1 0 .0902 .5 .610 .00278 .00038 .00523 0 .00181 0 MgM1 0 .0902 .5 .390 .00278 .00038 .00523 0 .00181 0 FeM2 0 .1782 0 .15 .00201 .00029 .00495 0 .00064 0 TiM2 0 .1782 0 .05 .00201 .00029 .00495 0 .00064 0 AlM2 0 .1782 0 .65 .00201 .00029 .00495 0 .00064 0 MgM2 0 .1782 0 .100 .00201 .00029 .00495 0 .00064 0 FeM2 0 .1782 0 .050 .00201 .00029 .00495 0 .00064 0 FeM3 0 0 0 .780 .00252 .00021 .00548 0 .00059 0 MgM3 0 0 0 .220 .00252 .00021 .00548 0 .00059 0 AlT1 .2799 .0864 .3012 .38 .00189 .00036 .00544 -.00013 .00073 .00001 SiT1 .2799 .0864 .3012 .62 .00189 .00036 .00544 -.00013 .00073 .00001 AlT2 .2926 .1736 .8161 .12 .00203 .00034 .00503 .00001 .00097 .00007 SiT2 .2926 .1736 .8161 .88 .00203 .00034 .00503 .00001 .00097 .00007 H .202 0 .784 .99 .5 O1 .1046 .0936 .2099 .00287 .00087 .00812 -.00014 .00126 -.00015 O2 .1198 .1766 .7419 .00222 .0006 .00733 -.00002 .00077 -.00009 O3 .1136 0 .7126 .00419 .00059 .00781 0 .00285 0 O4 .3713 .2511 .7951 .00357 .00033 .01034 -.00029 .00297 .00016 O5 .3516 .1401 .1093 .00261 .00085 .00811 -.00009 .00071 .00084 O6 .3418 .1206 .6021 .00306 .00068 .00996 -.00013 .00153 -.00099 O7 .3323 0 .2861 .00414 .00071 .01722 0 .00304 0