Yttrocerite
# Yttrocerite

Yttrocerite is a variety of the mineral fluorite with a chemical formula $CaF_2+(Y,Ce)F_3.$ It is bluish red with isometric crystals and is named for the yttrium and cerium it contains. It has a Mohs hardness of 4–5. It has been found in Sweden, several states in the United States and Norway. It is not a mineral species approved by International Mineralogical Association.

