Mixed Halides of Strontium

Strontium fluorochloride, SrF₂.SrCl₂, of density 4.18 at 18° C., or 4.616, fluorobromide, SrF₂.SrBr₂, density 4.06, and fluoro-iodide, SrF₂.SrI₂, density 4.5, have been isolated. They are crystalline compounds readily decomposed by water. The melting-point of the fluorochloride is 962° C.