Carnallite
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Carnallite is an evaporite mineral, a hydrated potassium magnesium chloride with formula KCl.MgCl2·6. It is variably colored yellow to white, reddish, and sometimes colorless or blue. It is usually ma
Carnallite crystals
Carnallite from Russia
Potash
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Potash are mined and manufactured salts that contain potassium in water-soluble form. The term potash derives from pot ash, either plant ashes or wood ashes that were soaked in water in a pot, which w
Carnallite
…Williston Basin in Saskatchewan, Canada. These deposits date from the Devonian through the Permian Periods. In contrast, both Israel and Jordan produce potash from the Dead Sea by using evaporation pans to further concentrate the brine until carnallite precipitates, dredging the carnallite from the pans, and…
Polycrystalline potash, with a U.S. penny for reference. (The coin is 19 mm (0.75 in) in diameter and copper in color.)
The very first U.S. patent ever to be issued was for an improvement "in the making of Pot ash and Pearl ash by a new Apparatus and Process"; it was signed by then President George Washington.
A covered hopper car in a Canadian train for shipping potash by rail
Global imports/exports of potash in 1937