Epsomite, commonly known as Epsom salt, is a mineral composed of magnesium sulfate with the chemical formula MgSO₄·7H₂O. It typically appears as colorless or white crystals and is often found in evaporite deposits, where water has evaporated, leaving behind various minerals. Epsomite is soluble in water and has a bitter taste. This mineral is widely used in agriculture as a magnesium and sulfate source, promoting plant growth and improving soil quality. Additionally, Epsomite is popular in the wellness industry for its use in baths, where it is believed to help soothe sore muscles and reduce stress.