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polyhalite

noun
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poly·​halite | \ -ˈhā- \
plural -s

Definition of polyhalite

: a mineral K2MgCa2(SO4)4.2H2O occurring usually in fibrous masses of a brick-red color due to iron but consisting essentially of hydrous sulfate of calcium, magnesium, and potassium

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History and Etymology for polyhalite

German polyhalit, from poly- + hal- + -it -ite

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“Polyhalite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyhalite. Accessed 17 May. 2021.

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