Strontium oxide deposits?
My question has always been titled like this.
Where do strontium oxides occur?
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There is only one strontium oxide SrO. This does not happen naturally, because it reacts immediately with water to form strontium hydroxide and, in the further course, to form strontium carbonate with carbon dioxide.
Just as in the case of calcium oxide CaO, this is also known as burnt lime.
Nowhere in nature.