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Narsarsukite

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Formula:
Na4(Ti,Fe)2[Si8O20](O,OH,F)2
System:
Tetragonal
Hardness:
7

Classification of Narsarsukite

Approved
9.DJ.05

9 : SILICATES (Germanates)
D : Inosilicates
J : Inosilicates with 4-periodic double and triple chains
70.1.2.1

70 : INOSILICATES Column or Tube Structures
1 : Column or Tube Structures with columnar silicate units
17.1.29

17 : Silicates Containing other Anions
1 : Silicates with fluoride (not containing Al)
mindat.org URL:
http://www.mindat.org/min-2841.html
Please feel free to link to this page.

First Recorded Occurrence of Narsarsukite

Year of Discovery:
1900

Physical Properties of Narsarsukite

Hardness (Mohs):
7

Crystallography of Narsarsukite

Crystal System:
Tetragonal
Cell Parameters:
a = 10.72Å, c = 7.95Å
Ratio:
a:c = 1 : 0.742
Unit Cell Volume:
V 913.60 ų (Calculated from Unit Cell)

Crystallographic forms of Narsarsukite

Crystal Atlas:
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Narsarsukite no.1 - Goldschmidt (1913-1926)
Narsarsukite no.2 - Goldschmidt (1913-1926)
Narsarsukite no.3 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

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Optical Data of Narsarsukite

Type:
Uniaxial (+)
RI values:
nω = 1.609 nε = 1.630
Max Birefringence:
δ = 0.021
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of Narsarsukite

Formula:
Na4(Ti,Fe)2[Si8O20](O,OH,F)2
Essential elements:
All elements listed in formula:

Relationship of Narsarsukite to other Species

9.DJ.10Laplandite-(Ce)Na4CeTiPO4Si7O18 · 5H2O
9.DJ.15Caysichite-(Y)Ca2Y2Si4O10(CO3)3 · 4H2O
9.DJ.20Seidite-(Ce)Na4(Ce,Sr)2Ti[(O,OH,F)5|Si8O18(OH)] · 5H2O
9.DJ.25Carlosturanite(Mg,Fe,Ti)21(Si,Al)12O28(OH)34•H2O
9.DJ.30JonesiteBa4(K,Na)2Ti4Al2(Si3O9)2(SiO4)4O2 · 6H2O
17.1.1HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
17.1.3AgrelliteNaCa2Si4O10F
17.1.4Fluorapophyllite-(Na)NaCa4(Si8O20)F · 8H2O
17.1.5Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
17.1.6Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
17.1.7HsianghualiteCa3Li2(Be3Si3O12)F2
17.1.8LeucophaniteNaCaBeSi2O6F
17.1.9NorbergiteMg3(SiO4)(F,OH)2
17.1.10Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2
17.1.11Humite(Mg,Fe2+)7(SiO4)3(F,OH)2
17.1.12ClinohumiteMg9(SiO4)4F2
17.1.13CanasiteK2Na4Ca5(Si12O30(OH,F)4
17.1.14Charoite(K,Sr)15-16(Ca,Na)32[Si6O11(O,OH)6]2[Si12O18(O,OH)12]2[Si17O25(O,OH)18]2(OH,F)4 · ~3H2O
17.1.15CuspidineCa4(Si2O7)(F,OH)2
17.1.16BultfonteiniteCa2(HSiO4)F · H2O
17.1.17ZeophylliteCa13(Si10O28)F10 · 6H2O
17.1.18Rowlandite-(Y)(Y,Ce)4Fe2+(Si2O7)2F2 (?)
17.1.19Yuksporite(K,Ba)NaCa2(Si,Ti)4O11(F,OH) · H2O
17.1.20Yftisite-(Y)(Y,Dy,Er)4(Ti,Sn)(SiO4)2O(F,OH)6
17.1.21Mosandrite(◻,Ca,Na)3(Ca,REE)4Ti(Si2O7)2[H2O,OH,F]4 · H2O
17.1.22Hiortdahlite(Ca,Na)3(Zr,Ti)(Si2O7)(O,OH,F)2
17.1.23BurpaliteNa2CaZr(Si2O7)F2
17.1.24SeidozeriteNa8Mn22+Zr3Ti3(Si2O7)4O4F4
17.1.25ThorosteenstrupineCaMnThSi4O11(OH)F · 6H2O
17.1.26Zircophyllite(K,Na)3(Mn,Fe2+)7(Zr,Ti)2Si8O24(O,OH,F)7
17.1.27JinshajiangiteBaNaFe42+Ti2(Si2O7)2O2(OH)2F
17.1.28Rosenbuschite(Ca,Na)3(Zr,Ti)(Si2O7)OF
17.1.30SonoliteMn92+(SiO4)4(OH,F)2

Other Names for Narsarsukite

Name in Other Languages:

Other Information

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 Narsarsukite

Reference List:
FLINK, G. (1899) Part I. On the minerals from Narsarsuk on the Firth of Tunugdliarfik in Southern Greenland. 8-180, In: FLINK, G., BØGGILD, O.B., and WINTHER, C. (1901) Undersøgelser af Mineraler fra Julianehaab indsamlet af G. Flink 1897, Part II. On some minerals from the Nepheline-Syenite at Julianehaab, Greenland (Epistolite, Britholite, Schizolite and Steenstrupite) Meddelelser om Grønland, 24, 1-213.
PEACOR, D.R., and BUERGER, M.J. (1962) The determination and refinement of narsarsukite, Na2TiOSi4O10. American Mineralogist, 47, 539 556.
PYATENKO, Yu.A., and PUDOVKINA, Z.V. (1961) Crystal structure of narsarsukite. Soviet Physics Crystallography, 5, 540 548.
RAJASEKARAN, K.C. (1966) Narsarsukite from Mont St. Hilaire, Quebec, Canada. Canadian Mineralogist, 8, 506 514.
HORVÁTH, L., and GAULT, R.G. (1990) The mineralogy of Mont Saint Hilaire. Mineralogical Record, 21, 284 359.
Kartashov P M (1994) Narsarsukite from fenitized rocks of Lovozero massif, Zapiski Vserossijskogo Mineralogicheskogo Obshchestva 123, issue 4, 58-66
Kolitsch, U. and Tillmanns, E. (2004): The structural relation between the new synthetic silicate K2ScFSi4O10 and narsarsukite, Na2(Ti,Fe3+)(O,F)Si4O10. Eur. J. Mineral. 16, 143-149. [includes brief data on structure refinement of natural sample]

Internet Links for Narsarsukite

Specimens:
The following Narsarsukite specimens are currently listed for sale on minfind.com.

Localities for Narsarsukite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Brazil
 
  • Paraná
    • Tijucas do Sul
      • Morro Redondo complex
Vilalva, F.C.J., and Vlach, S.R.F. (2010): Mineralogical Magazine 74(4), 645-658
Canada
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Rajasekaran, K.C. (1966), Narsarsukite from Mont St. Hilaire, Quebec, Canada. Canadian Mineralogist: 8: 506-514; Chao, G.Y. (1967), Leucophanite, elpidite, narsarsukite from the Desourdy quarry, Mont St. Hilaire, Quebec. Canadian Mineralogist: 9: 286-87; Falls R.B.(1983), Elpidite and narsarsukite from Mont Saint-Hilaire, Quebec. B.S. Thesis, University of Toronto, Canada.
  • Québec & Newfoundland and Labrador
http://www.koeln.netsurf.de/~w.steffens/can.htm; Canadian Mineralogist Vol. 34, pp.349-371 (1996); A. Kerr and H. Rafuse (2012) Rare-earth element (REE) geochemistry of the Strange Lake deposits: Implications for resource estimation and metallogenic models. Newfoundland and Labrador Department of Natural Resources Current Research 2012 pp39-60; BIRKETT, T.C., MILLER, R.R., ROBERTS, A.C., & MARIANO, A.N. (1992) Zirconium bearing minerals from the Strange Lake intrusive complex, Quebec Labrador. Canadian Mineralogist, 30, 191-205.
Germany
 
  • Rhineland-Palatinate
    • Eifel
      • Mayen
        • Ettringen
          • Bellerberg volcano
[Hentschel, G., Neue Mineralfunde aus dem Laacher Vulkangebiet, Mainzer geowiss. Mitt. 9, 121–125, 1980] [Lapis, 15 (5), 9-36]
Greenland
 
  • Kujalleq
    • Narsaq
      • Igaliku (Igaliko)
        • Narsaarsuk Plateau
Meddr Gronland,(1899) 24, p. 154; Bøgghild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Bd. 149. Nr. 3., C.A. Reitzels Forlag, Copenhagen. 445 p (p.318-319)
Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
Upton, B.J.G. , Hill, P.G., Jefferies, B.,Ford and Macdonald, R. (1976): Narsarsukite: A New Occurrence in Peralkaline Trachyte, South Greenland. Mineralogical Magazine. 40 : 737-746.
  • Tunu Province (East Greenland)
http://www.koeln.netsurf.de/~w.steffens/green.htm
Kazakhstan
 
  • Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast')
    • Tarbagatai Range
      • Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts)
Pavel M. Kartashov data
Mongolia
 
  • Hovd Aimag (Khovd Aimag)
    • Altai Mts
P.M. Kartashov data
Namibia
 
  • Khomas Region
    • Windhoek District
      • Aris
Robin Tibbit collection (SXRD analysis by Uwe Kolitsch + EDS analysis by Franz Neuhold)
New Zealand
 
www.koeln.netsurf.de/~w.steffens/other.htm
NZJGG, 2003, 46: 581-590. NZJGG, 1991, 34: 337-340. NZJGG, 1981, 24: 449-467
NZJGG, 2003, 46: 581-590. NZJGG, 1991, 34: 337-340. NZJGG, 1981, 24: 449-467
NZJGG, 2003, 46: 581-590. NZJGG, 1991, 34: 337-340. NZJGG, 1981, 24: 449-467
Niger
 
  • Diffa Department
Handbook of Mineralogy
Norway
 
  • Oppland
    • Lunner
      • Nordmarka
Raade, G. & Haug, J. (1982): Gjerdingen. Fundstelle seltener Mineralien in Norwegen. LAPIS 7, 9-15
Portugal
 
  • Azores District
    • San Miguel Island
Samples collected by Luigi Chiappino and analysed by Dr. Anthony Kampf, Natural History Museum of Los Angeles County, USA
Russia
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
      • Aldan Shield
        • Chara and Tokko Rivers Confluence
          • Murunskii Massif
Konev, A.A., Vorobyev, E.I., and Lazebnik, K.A. (1996) The Mineralogy of the Murun Massif. Russian Academy of Science Press, Siberian Branch, Novosbirsk, Russia (in Rus.); Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
            • Sirenevyi Kamen' Deposit
Konev, A.A., Vorob'yev, E.I., and Lazebnik, K.A. (1996) The Mineralogy of the Murun Massif. Russian Academy of Science Press, Siberian Branch, Novosbirsk, Russia (in Rus.)
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
        • Khibiny Massif
Pekov, I.V. & Podlesnyi, A.S. (2004): Kukisvumchorr Deposit: Mineralogy of Alkaline Pegmatites and Hydrotermalites. Mineralogical Almanac, vol. 7, 140 pages + xxiv photo's pages
        • Lovozero Massif
Sorokhtina N.V., Voloshin A.V., Pakhomovskii Ya.A., Selivanova E.A. (2004) The first find of daqingshanite-(Ce) on Kola peninsula, - Trudy 1 Fersmanovskoi Nauchnoi Sessii Kolskogo Otdeleniya VMO, Apatity,pt.1, pp. 34-36 (in Russ.)
          • Karnasurt Mt
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Zubkova, N. V., Pekov, I. V., Pushcharovsky, D. Y., & Chukanov, N. V. (2009). The crystal structure and refined formula of mountainite, KNa2Ca2 [Si8O19 (OH)]⊙ 6 H2O. Zeitschrift für Kristallographie, 224(8), 389-396.
[World of Stones 95:5-6, p64]; The Canadian Mineralogist Vol. 43, pp. 735-746 (2005)
        • Turii Cape
www.koeln.netsurf.de/~w.steffens/tury.htm; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
USA
 
  • Arkansas
    • Hot Spring Co.
      • Magnet Cove
Rocks & Min.:63:109.
Horváth Collection - confirmed visually
    • Pulaski Co.
      • Little Rock
Rocks and Minerals, (1988) 63:104-125; Rocks and Minerals, (1989) 64:314-322
Horvath collection visual id.
AmMin 20:598
    • Liberty Co.
Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240; Chris Tucker and John Betts specimens.
      • Sweet Grass Hills
D. B. Stewart (1959),THE AMERICAN MINERALOGIST, VOL.44:265-273
D. B. Stewart (1959),THE AMERICAN MINERALOGIST, VOL.44:265-273
  • New Mexico
    • Otero Co.
      • Cornudas Mts
Dr. W. Stoll (private communication 2001 & 2004)
Mineral and/or Locality  
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