Kernowite is a mineral which was first described in 2020. It is named for Cornwall, which in the Cornish language is Kernow.
^P. C. Burns; R. K. Eby; F. C. Hawthorne (1991). "Refinement of the structure of liroconite, a heteropolyhedral framework oxysalt mineral". Acta Crystallogr. C. 47 (5): 916–919. doi:10.1107/S0108270190010939.