Strontium
Hirst R G, King A J, Kanda F A
Journal of Physical Chemistry 60 (1956) 302-304
The barium-strontium equilibrium system
Locality: synthetic
Sample: at T = 225 C
note: known as gamma-strontium
_database_code_amcsd 0013144
4.28 4.28 7.05 90 90 120 P6_3/mmc
atom   x   y   z
Sr   1/3 2/3 .25