Epsomite

Epsomite

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Epsomite, Epsom salt, or magnesium sulfate heptahydrate, is a hydrous magnesium sulfate mineral with formula .

Occurrence

Epsomite forms as encrustations or efflorescences on limestone cavern walls and mine timbers and walls, rarely as volcanic fumarole deposits, and as rare beds in evaporite layers such as those found in certain bodies of salt water. It occurs in association with melanterite, gypsum, halotrichite, pickeringite, alunogen, rozenite, and mirabilite. Naturally occurring epsomite in caverns can potentially produce particulates of inhalable size, and may contain significant amounts of toxic impurities.

Uses

Epsom salt is commonly sold as the main ingredient in bath salt, with additives such as glycerin (used as a humectant) and fragrances. The purpose of bath salts is mostly to make the bathing experience more enjoyable and serve as a vehicle for cosmetics, though they are said to improve cleaning and aid in exfoliation. Research on topical magnesium (for example Epsom salt baths) is very limited. The trade organization 'Epsom Salt Council' recommends bathing 2 or 3 times/week, using Epsom salts each time.

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Text derived from https://en.wikipedia.org/w/index.php?oldid=1350100035 under CC BY-SA 4.0; modifications have been made.