Knorringite
Juhin A, Morin G, Elkaim E, Frost D J, Fialin M, Juillot F, Calas G
American Mineralogist 95 (2010) 59-63
Structure refinement of a synthetic knorringite, Mg3(Cr0.8Mg0.1Si0.1)2(SiO4)3
Locality: synthetic
_database_code_amcsd 0004999
11.5935 11.5935 11.5935 90 90 90 Ia-3d
atom     x     y     z occ Biso
CrY      0     0     0 .84  .34
MgY      0     0     0 .08  .34
SiY      0     0     0 .08  .34
MgX   .125     0   .25     1.12
SiZ   .375     0   .25      .46
O    .0348 .0516 .6571     1.08