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About YttroceriteHide

Blue, reddish
4 - 5
Crystal System:
Named from its chemical composition containing yttrium (named after Ytterby, Sweden) and cerium (named after the asteroid Ceres).
A variety of Fluorite

Y-rich fluorite (see also yttrofluorite). Note: A great many occurrences of yttrocerite reported in the nineteenth century were false. The so-called "yttrocerite" has repeatedly been shown to be ordinary purple fluorite without enrichment of rare earth elements.

Physical Properties of YttroceriteHide

Blue, reddish
4 - 5 on Mohs scale

Optical Data of YttroceriteHide


Chemical Properties of YttroceriteHide


Crystallography of YttroceriteHide

Crystal System:

Synonyms of YttroceriteHide

Other Language Names for YttroceriteHide

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for YttroceriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Gahn and Berzelius (1814) Afhandlingar I Fysik, Kemi och Mineralogi, Stockholm:4: 151.
Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 29.

Internet Links for YttroceriteHide

Localities for YttroceriteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Nordland
    • Tysfjord
Sverdrup, T. L. (1968): Contributions to the Mineralogy of Norway No. 37. Yttrofluorite-yttrocerite-cerfluorite in norwegian pegmatites. Norsk Geologisk Tidsskrift 48: 245-252
  • Dalarna County
    • Falun
Geologiska Föreningens I Stockholm. Förhandlinger, Stockholm: 1, 119.
No reference listed
GFF 1, 119
  • Alaska
    • North Slope Borough
      • Canning District
U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
  • Colorado
    • Douglas Co.
      • Devils Head Pegmatite District
Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 24 (Table A-1).
Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 25 (Table A-1).
Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 25 (Table A-1).
    • Jefferson Co.
      • South Platte Pegmatite District
Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 27 (Table A-1).
  • Massachusetts
    • Essex Co.
Gleba, 1978. Massachusetts Mineral & Fossil Localities
McKinstry, H. E. (1921): The Minerals of Rockport, Massachusetts (American Mineralogist 6:56-60).
Sears, J. H.(1905): The Physical Geography, Geology, Mineralogy and Paleontology of Essex County.
    • Worcester Co.
      • Bolton
Hitchcock, Edward (1835). Report on the Geology, Mineralogy, Botany, and Zoology of Massachusetts, pp. 308-311.
  • New York
    • Orange Co.
      • Town of Warwick
Margaret Cooper (1958) Bibliography and Index of Literature on Uranium and Thorium and Radioactive occurrences in the United States. GSA Special Paper 67
The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 71.
  • North Carolina
    • Yancey Co.
      • Spruce Pine District
        • Burnsville
          • Hurricane Mountain
"Mineralogy of the Ray Mica Mine" by J.W. Miller and C.W. Allen, Genth,F.A and Kerr,W.C.,1885,The minerals and mineral localities of North Carolina:pp.127
  • Texas
    • Hudspeth Co.
      • Sierra Blanca Peaks
Am Min 72:1122-1130
Am Min 72:1122-1130; O'Neill, L. C. (2014). REE-Be-UF mineralization of the Round Top laccolith, Sierra Blanca Peaks, Trans-Pecos Texas (MS dissertation).
Mineral and/or Locality  
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