Yttrocerite is a variety of the mineral
fluorite
Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF2. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon.
The Mohs sca ...
with a
chemical formula
In chemistry, a chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbol ...
Ca F2+(
Y,
Ce)
F3. It is bluish red with
isometric crystals and is named for the
yttrium
Yttrium is a chemical element with the symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a " rare-earth element". Yttrium is almost always found in co ...
and
cerium
Cerium is a chemical element with the symbol Ce and atomic number 58. Cerium is a soft, ductile, and silvery-white metal that tarnishes when exposed to air. Cerium is the second element in the lanthanide series, and while it often shows the +3 ...
it contains. It has a Mohs hardness of 4–5. It has been found in
Sweden, several states in the United States and
Norway
Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and the ...
. It is not a mineral species approved by
International Mineralogical Association.
Webmineral data
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References
* Marie-Nicolas Bouillet, ''Dictionnaire universel des sciences, des lettres et des arts'', 1896.
Calcium minerals
Yttrium minerals
Fluorine minerals
Lanthanide minerals
{{Halide-mineral-stub