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Yttrofluorite

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Big Photo

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

Show Yttrofluorite Photos (16)



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. [Precise locality not mentioned in Vogt 1911, but first in Vogt 1923.]

See also yttrocerite.

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.

References for Yttrofluorite

Reference List:

- +
- Vogt, T. (1911): Vorlaufige Mitteilung über Yttrofluorit, eine neue Mineralspezies aus dem nördlichen Norwegen. Centralblatt für Mineralogie, Geologie und Paläontologie, 373-377
- Vogt, T. (1923): Über die seltenen Erden im Yttrofluorit von Hundholmen. Centralblatt für Mineralogie, Geologie und Paläontologie, 673-676

Internet Links for Yttrofluorite

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    • Localities for Yttrofluorite

    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.
    Hide Locality List
    (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
      • Northeastern Desert
    Japan
     
    • Honshu Island
      • Tohoku Region
        • Fukushima Prefecture
          • Kawamata
            • Iizaka (Iisaka) Village
    		Fluorite: The Collector's Choice. Extra Lapis English No. 9
    Kazakhstan
     
    • Karagandy Province (Qaragandy Oblysy; Karaganda Oblast')
      • Betpakdala Desert (Bet-Pak-Dal Desert)
        • Kara-Oba W deposit
    		PM Kartashov specimen
    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
        • Birkeland
    		Frigstad, O.F. (1968): En undersøkelse av cleavelandittsonerte pegmatittganger i Iveland-Evje, Nedre Setesdal. Hovedfagsoppgave (Thesis), University of Oslo
    • Nordland
      • Hamarøy
        • Finnøy
    		P.M. Kartashov data
    R. Kristiansen (1972, pers. com.); Neumann (1985, p. 50).
    Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum Skrift 38: 5-28
    Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum Skrift 38: 5-28
      • Tysfjord
        • Drag
          • Eivollen
    		Sverdrup, T. L. (1968): Contributions to the Mineralogy of Norway No. 37. Yttrofluorite-yttrocerite-cerfluorite in norwegian pegmatites. Norsk Geologisk Tidsskrift 48: 245-252
    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
          • Lapplegret
    		Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum Skrift 38: 5-28
    Vogt, T. (1911): Vorlaufige Mitteilung über Yttrofluorit, eine neue Mineralspezies aus dem nördlichen Norwegen. Centralblatt für Mineralogie, Geologie und Paläontologie, 373-377 ; Sverdrup, T. L. (1968): Contributions to the Mineralogy of Norway No. 37. Yttrofluorite-yttrocerite-cerfluorite in norwegian pegmatites. Norsk Geologisk Tidsskrift 48: 245-252
    Folvik, H. O. (2009): Stetinditt- et nytt mineral fra Norge. Stein 36 (4): 34
    • 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
      • Boulder Co.
        • Jamestown District
    		Pavel M. Kartashov analytical data (2011)
      • 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.; Simmons W B, Hanson S H, Falster A U (2006) Samarskite-(Yb): a new species of the samarskite group from the Little Patsy pegmatite, Jefferson County, Colorado, The Canadian Mineralogist 44, 1119-1125
    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.
        • Spruce Pine District
          • Burnsville
            • Hurricane Mountain
    		Miller, J.W. and Allen, C.W. \
    • Texas
      • Hudspeth Co.
    		Am. Min. 74:865-869 (1989)
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