Poirierite
Tomioka N, Bindi L, Okuchi T, Miyahara M, Iitaka T, Li Z, Kawatsu T,
Xie X, Purevjav N, Tani R, Kodama Y
Communications Earth & Environment 2 (2021) 16
Poirierite, a dense metastable polymorph of magnesium iron silicate
in shocked meteorites
Locality: Suizhou L6 chondrite
_database_code_amcsd 0020922
5.802 2.905 8.411 90 90 90 Pmma
atom     x  y     z  occ  Uiso
Mg1      0 .5    .5      .0087
Mg2    .25  0 .2175 .962 .0071
Fe2    .25  0 .2175 .038 .0071
Si     .25 .5 .8642      .0051
O1     .25  0 .4693      .0080
O2     .25  0 .9628      .0056
O3   .0091 .5 .7583      .0071