Polyhalite | mineral | Britannica

Polyhalite | mineral | Britannica

, a sulfate in evaporite deposits [K2Ca2MgSO44·2H2O] that often occurs with anhydrite and halite. Its name, from the Greek words meaning “many salts,” reflects its composition, hydrated sulfates of potassium, calcium, and magnesium. It makes up 7 percent of the rock in the salt

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  • Fraser McGill

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    US20130121900A1 - Methods of processing polyhalite ore ...

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  • Woodsmith Mine -

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