become very popular in Japan recently recommended by very famous magazine CROISSANT but people of Himalaya region are using the said salt centuries ago. It is actually, purple-ish/pinkish grey rather than black and has a very distinctive sulfurous mineral taste, rather like hard boiled egg yolks.
4,000,000,000 years ago, Seawater was shut in by crystal movement of the earth and became the salt lake
380,000,000 years ago, it was concentrated evaporation, and water crystallized and become Rock Salt.
The Black Ruby Salk touches magma baked by high heat
It is mined from the volcanic regions of Pakistan, Nepal and India.(Himalaya region) According to India's classical medical science, Ayurveda, black salt is full of iron, and is a cure for flatulence and heartburn. Unlike ordinary salt, don’t increase the sodium content of blood and recommended for patients with high blood pressure. It is good for digestion and improves eyesight.