Yttrocerite

Yttrocerite
General
CategoryMineral variety
Formula
(repeating unit)
CaF2 + (Y,Ce)F3
Identification
Crystal habitCubic
Mohs scale hardness4-5

Yttrocerite is a variety of the mineral fluorite with a chemical formula CaF2+(Y,Ce)F3. 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.[1] It is not a mineral species approved by International Mineralogical Association.[2]