True blue salt—like Persian Blue Salt—comes from mineral deposits present in Iran and aspects of the Himalayas. Its striking tint is totally organic, produced by a trace mineral referred to as sylvite, which refracts light to give the crystals a cool, icy glow. Physically, the trick operates throughout the https://www.piratemedia1.com/theeastcarolinian/article_f33c56ba-bfd2-11ee-ab35-232757dfa2a9.html