Polyhalite
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Polyhalite is an evaporite mineral, a hydrated sulfate of potassium, calcium and magnesium with formula: K2Ca2Mg4·2H2O. Polyhalite crystallizes in the triclinic system, although crystals are very rare
Museum specimen of polyhalite and anhydrite
Woodsmith Mine
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Woodsmith Mine is a deep planned potash and polyhalite mine located near the hamlet of Sneatonthorpe, Whitby in North Yorkshire, England. The venture was started by York Potash Ltd, which became a sub
Polyhalite
…and the mine is in 2023 the only producer of polyhalite, marketed by ICL Group Ltd. as Polysulphate. In 2016, Sirius Minerals announced plans for the Woodsmith Mine in the area. In March 2020, the Woodsmith project was taken over by Anglo American plc and construction of two 1,500 m (4,900 ft) shafts to reach the…
Woodsmith Mine complex from Fylingdales Moor
Woodsmith Mine cairn with official opening date
Digging works at Woodsmith Mine