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]

References

  1. ^ Mindat.org
  2. ^ Webmineral data


Allikas: https://en.wikipedia.org/wiki/Yttrocerite
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