Romeite is a mineral discovered in 1906 by the Italian mineralogist, Ubaldo Romei. The spelling of Romeite is based on the name of its discoverer, Romei, and is pronounced as 'roh-mey-ite' \rəʊˈmeɪ.aɪt\. It has a chemical formula of CuF2, and is commonly found in hydrothermal veins associated with copper deposits. Romeite is a rare mineral and is classified as a halide mineral. Its crystal structure is tetragonal, and it exhibits a deep blue-green coloration.