Fe

Axis: F
End: extroverted (positive).
Sign in notation: +
Lattice angle: 157.5°.

Stacks that use Fe in ego order

Stack	Ego position
Ne-Ti-Fe-Si	3
Se-Ti-Fe-Ni	3
Fe-Ni-Se-Ti	1
Fe-Si-Ne-Ti	1
Ni-Fe-Ti-Se	2
Si-Fe-Ti-Ne	2
Ti-Ne-Si-Fe	4
Ti-Se-Ni-Fe	4