Kernowite

{{short description|Copper iron arsenate mineral}}

{{Use dmy dates|date=April 2022}}

{{Infobox mineral

| name = Kernowite

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| image = Kernowite-unit-cell-based-on-liroconite-3D-bs-N17-M25.png

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| alt = Unit cell of liroconite, isostructural with kernowite

| caption = Unit cell of kernowite, based on X-ray crystallography of the isostructural mineral liroconite.{{ cite journal | title = Refinement of the structure of liroconite, a heteropolyhedral framework oxysalt mineral |author=P. C. Burns |author2=R. K. Eby |author3=F. C. Hawthorne | journal = Acta Crystallogr. C | year = 1991 | volume = 47 | issue = 5 | pages = 916–919 | doi = 10.1107/S0108270190010939 |bibcode=1991AcCrC..47..916B }}

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| category = Arsenate minerals

| formula = Cu₂Fe(AsO₄)(OH)₄·4H₂O

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Kernowite is a mineral which was first described in 2020. It is named for Cornwall, which in the Cornish language is Kernow.