Minerals described in 2020

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

Tancaite-(Ce) is a very rare molybdate mineral with the formula FeCe(MoO4)3•3H2O. It was found in Punta de Su Seinargiu locality on Sardinia, Italy. Red crystals of tancaite-(Ce) resemble modified cubes, but the mineral is trigonal (space group R-3). The type locality of tancaite-(Ce) is also a place of discovery of other molybdate minerals, including thorium molybdates ichnusaite and nuragheite.

Uroxite is an oxalate mineral first discovered as part of the Carbon Mineral Challenge. It is the first discovered uranium-containing organic mineral.