We were using a bunsen burner hooked up to a propane tank to heat a spoon, and the salt in the spoon, red hot in order to melt the salt.
According to the wikipedia article on salt, the melting point is 1474 °F. See further comments after this picture…
It took a while, but we did get it to melt. I “poured” it onto a metal surface, and you can see it still glowing here:
And for reference, here is what a Sodium Chloride crystal looks like up close: