Kernowite is a new mineral that has been found only in an old specimen collected at a single location in Cornwall, UK. Kernowite (green color). Image credit: The Trustees of the Natural History Museum, London. The only known specimen of kernowite, named after Kernow which is the Cornish word for Cornwall, was collected in the 1700s. It became part of the Natural History Museum, London’s geological collections in 1964. “Considering how many geologists,...