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Yttrofluorite

Big Photo

Ploskaya Mt, Western Keivy Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© Pavel M. Kartashov

Show Yttrofluorite Photos (11)
Formula:
(Ca
 
1-x
Y
 
x
)F
 
2+x
 where 0.05< x <0.3
Name:Named for chemical composition.
A variety of Fluorite

Yttrofluorite is a variety of fluorite containing an appreciable amount of yttrium (Y) taking the place of calcium (Ca) anions in the Fluorite structure. Nineteenth century identifications of yttrofluorite are generally only purple fluorite without any yttrium. Yttrofluorite is not commonly purple.
Originally reported from Hundholmen, Tysfjord, Nordland, Norway.

Classification of Yttrofluorite

IMA status:Discredited 2006
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Chemical Properties of Yttrofluorite

Formula:
(Ca
 
1-x
Y
 
x
)F
 
2+x
 where 0.05< x <0.3
Essential elements:Ca, F, Y
All elements listed in formula:Ca, F, Y

Other Names for Yttrofluorite

Other Languages:
German:Flussyttrocalcit
Yttrocalcit
Yttrofluorit
Yttroflußspat
Spanish:Yttrofluorita

Other Information

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

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    Localities for Yttrofluorite

    Hide Locality List
    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Canada
     
    • Ontario
      • Algoma District
        • Blind River-Elliot Lake uranium district
    		Robertson, J.A. (1976) The Blind River Uranium Deposits: the ores and their setting. (Ontario Division of Mines, Miscellaneous paper 65)
    China
     
    • Jiangxi Province
      • Ganzhou Prefecture
        • Dayu Co.
    		Rucheng Wang, Fontan, F., Xiaoming Chen, Huan Hu, Changshi Liu, Shijin Xu, and de Parseval, P. (2003): Canadian Mineralogist 41, 727-748.
    Egypt
     
    • Red Sea Governorate
      • North Eastern Desert
    Japan
     
    • Honshu Island
      • Tohoku Region
        • Fukushima Prefecture
          • Kawamata
            • Iizaka (Iisaka) Village
    		Fluorite: The Collector's Choice. Extra Lapis English No. 9
    Kyrgyzstan
     
    no reference
    Mongolia
     
    • Uvs Aimag
      • Zavkhan Soum
    Namibia
     
    • Erongo Region
      • Brandberg District
        • Brandberg area
    		Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189.
      • Swakopmund District
        • Cape Cross area
    		http://www.mineral.tu-freiberg.de/econgeology/lehre/namibia/snlipegm/snlipegm_2_4.html
        • Swakopmund
    		Fluorite: The Collector's Choice. Extra Lapis English No. 9
    • Karas Region
    		Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189.
    • Otjozondjupa Region
      • Otjiwarongo District
    		Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189.
    Norway
     
    • Aust-Agder
      • Iveland
    		Frigstad (1968); Neumann (1985) : Norges mineraler. Norges geologiske undersøkelse Skrifter 68, p. 50).
    • Nordland
      • Hamarøy
        • Finnøy
    		P.M. Kartashov data
    R. Kristiansen (1972, pers. com.); Neumann (1985, p. 50).
      • Tysfjord
    		No reference listed
    Sverderup (1968); Neumann (1985, p. 50).
    Sverdrup, T.L., Sæbø,P.Chr. & Bryn, K.Ö. (1965): Contribution to the Mineralogy of Norway No. 31. Tysonite (fluocerite), a new mineral for Norway. Norsk Geologisk Tidsskrift 45: 177-188 + Neumann (1985, p. 50).
    Vogt (1911 and 1923); Sverderup (1968); Foslie (1941, p. 236); Neumann (1985, p. 50).
    H.-V. Ellingsen, A. Haugen and T. Sørlie.
    • Telemark
      • Drangedal
        • Tørdal
    		Sverdrup, T.L. (1968): Yttrofluorite-yttrocerite-cerfluorite in Norwegian pegmatites. Contributions to the mineralogy of Norway, No 37. Norsk Geologsk Tidskrift 48: 245-252
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Western Keivy Massif
    		A.V. Voloshin, Ya.A. Pakhomovskii Minerals and mineralformation evolution in amazonite pegmatites of Kola peninsula, - Leningrad, Nauka, 1986, pp.168.
    Ukraine
     
    • Zhytomyr Oblast' (Zhitomir Oblast')
    		Pavel M. Kartashov data
    USA
     
    • Colorado
      • Douglas Co.
        • Devils Head Pegmatite District
    		Minerals of Colorado (1997) Eckels, E. B.
      • El Paso Co.
        • Cheyenne District (St. Peters Dome District)
    		Minerals of Colorado (1997) Eckels, E. B.
      • Jefferson Co.
        • Clear Creek Pegmatite Province
    		Minerals of Colorado (1997) Eckels, E. B.
        • South Platte Pegmatite District
    		Rare-Earth Pegmatites of the South Platte District, Colorado CGS Res Ser 11
    Mineralogical Record: 21: 429.
    Rare-Earth Pegmatites of the South Platte District, Colorado CGS Res Ser 11
    Minerals of Colorado (1997) E.B. Eckels
    Rare-Earth Pegmatites of the South Platte District, Colorado CGS Res Ser 11; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 29 (Table A-1).
      • Park Co.
    		Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 31 (Table A-1).
      • Teller Co.
    		Minerals of Colorado (1997) E.B. Eckels
    • New Mexico
      • Rio Arriba Co.
        • Petaca District
          • Alamos area
    		Minerals of New Mexico 2nd ed.
    • North Carolina
      • Yancey Co.
        • Pisgah National Forest
          • Spruce Pine District
            • Black Mtn-Bowlens Creek Area
              • Burnsville
                • Hurricane Mt.
    		Miller, J.W. and Allen, C.W. \
    • Texas
      • Hudspeth Co.
    		Am. Min. 74:865-869 (1989)
    Mineral and/or Locality
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