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Fluorellestadite

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Formula:
Ca5(SiO4)1.5(SO4)1.5F
Colour:
Blue to pale bluish, light rose-red, yellow
Lustre:
Vitreous, Greasy
Hardness:
Specific Gravity:
3.03
Crystal System:
Hexagonal
Name:
In allusion to its composition, being the fluorine-dominant analogue of hydroxylellestadite. Named in honor of Dr. Ruben B. Ellestad (1900-1993), American analytical chemist of Minneapolis, and fluorine in the chemical composition. First described as a new mineral from Kopeisk, South Urals, Russia by Chesnokov et al. 1987).
A mineral in the Ellestadite Group of the Apatite Supergroup. Formerly called ellestadite-(F). It is a relatively rare mineral found in skarns or metamorphosed limestones. It is also known from burned coal dumps.

The fluorine analogue of hydroxylellestadite.


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Classification of FluorellestaditeHide

Approved
Approval Year:
1987
9.AH.25

9 : SILICATES (Germanates)
A : Nesosilicates
H : Nesosilicates with CO3, SO4, PO4, etc.
52.4.9.3

52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
4 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
17.10.22

17 : Silicates Containing other Anions
10 : Silicates with sulphate, molybdate or tungstate

Physical Properties of FluorellestaditeHide

Vitreous, Greasy
Transparency:
Transparent, Translucent
Colour:
Blue to pale bluish, light rose-red, yellow
Comment:
At the TL thin needles are colorless
Streak:
White streak with a weak bluish tint
Hardness:
4½ on Mohs scale
Tenacity:
Very brittle
Cleavage:
Imperfect/Fair
On {0001}, imperfect.
Fracture:
Conchoidal
Density:
3.03(1) g/cm3 (Measured)    3.090 g/cm3 (Calculated)

Optical Data of FluorellestaditeHide

Type:
Uniaxial (-)
RI values:
nω = 1.655 nε = 1.650
Max Birefringence:
δ = 0.005
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of FluorellestaditeHide

Formula:
Ca5(SiO4)1.5(SO4)1.5F
Common Impurities:
Al,Fe,Mn,Mg,Na,K

Crystallography of FluorellestaditeHide

Crystal System:
Hexagonal
Cell Parameters:
a = 9.53 Å, c = 6.91 Å
Ratio:
a:c = 1 : 0.725
Unit Cell V:
543.49 ų (Calculated from Unit Cell)
Morphology:
Needles, as hexagonal prismatic, poorly terminated crystals up to 3 mm long, and
as fine-grained aggregates.

Type Occurrence of FluorellestaditeHide

General Appearance of Type Material:
Needles, as hexagonal prismatic, poorly terminated crystals up to 3 mm long, and
as fine-grained aggregates.
Place of Conservation of Type Material:
In the Fersman Mineralogical Museum, Moscow, Russia.
Geological Setting of Type Material:
In burned fragments of petrifioed wood in coal dumps
Associated Minerals at Type Locality:

Synonyms of FluorellestaditeHide

Other Language Names for FluorellestaditeHide

Varieties of FluorellestaditeHide

WilkeiteNow a discredited mineral.

Relationship of Fluorellestadite to other SpeciesHide

Other Members of this group:
ChlorellestaditeCa5(SiO4)1.5(SO4)1.5ClHex. 6/m : P63/m
HydroxylellestaditeCa5(SiO4)1.5(SO4)1.5(OH)Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
MattheddleitePb5(SiO4)1.5(SO4)1.5(Cl,OH)Hex. 6/m : P63/m
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
Calcite11 photos of Fluorellestadite associated with Calcite on mindat.org.
Rittmannite3 photos of Fluorellestadite associated with Rittmannite on mindat.org.
Srebrodolskite2 photos of Fluorellestadite associated with Srebrodolskite on mindat.org.
Coronadite2 photos of Fluorellestadite associated with Coronadite on mindat.org.
Hemimorphite1 photo of Fluorellestadite associated with Hemimorphite on mindat.org.
Periclase1 photo of Fluorellestadite associated with Periclase on mindat.org.
Tobermorite1 photo of Fluorellestadite associated with Tobermorite on mindat.org.
Chondrodite1 photo of Fluorellestadite associated with Chondrodite on mindat.org.
Strunzite1 photo of Fluorellestadite associated with Strunzite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.AH.05Iimoriite-(Y)Y2[SiO4][CO3]Tric.
9.AH.10Tundrite-(Ce)Na2Ce2Ti(SiO4)(CO3)2O2Tric. 1 : P1
9.AH.10Tundrite-(Nd)Na2(Nd,Ce)2Ti(SiO4)(CO3)2O2
9.AH.15SpurriteCa5(SiO4)2(CO3)Mon.
9.AH.20TernesiteCa5(SiO4)2(SO4)Orth. mmm (2/m 2/m 2/m) : Pnma
9.AH.25Britholite-(Ce)(Ce,Ca)5(SiO4)3OHHex. 6/m : P63/m
9.AH.25Britholite-(Y)(Y,Ca)5(SiO4)3OHHex. 6/m : P63/m
9.AH.25ChlorellestaditeCa5(SiO4)1.5(SO4)1.5ClHex. 6/m : P63/m
9.AH.25Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3FHex. 6/m : P63/m
9.AH.25HydroxylellestaditeCa5(SiO4)1.5(SO4)1.5(OH)Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
9.AH.25MattheddleitePb5(SiO4)1.5(SO4)1.5(Cl,OH)Hex. 6/m : P63/m
9.AH.25Tritomite-(Ce)Ce5(SiO4,BO4)3(OH,O)
9.AH.25Tritomite-(Y)Y5(SiO4,BO4)3(O,OH,F)
9.AH.25Fluorcalciobritholite(Ca,REE)5(SiO4,PO4)3FHex. 6/m : P63/m
9.AH.25Fluorbritholite-(Y)(Y,Ca)5(SiO4)3FHex. 6/m : P63/m

Related Minerals - Dana Grouping (8th Ed.)Hide

52.4.9.1Britholite-(Ce)(Ce,Ca)5(SiO4)3OHHex. 6/m : P63/m
52.4.9.2Britholite-(Y)(Y,Ca)5(SiO4)3OHHex. 6/m : P63/m
52.4.9.4HydroxylellestaditeCa5(SiO4)1.5(SO4)1.5(OH)Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
52.4.9.5ChlorellestaditeCa5(SiO4)1.5(SO4)1.5ClHex. 6/m : P63/m
52.4.9.6MattheddleitePb5(SiO4)1.5(SO4)1.5(Cl,OH)Hex. 6/m : P63/m
52.4.9.7Karnasurtite-(Ce)(Ce,La,Th)(Ti,Nb)(Al,Fe)(Si2O7)(OH)4 · 3H2O
52.4.9.8Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3FHex. 6/m : P63/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

17.10.1NoseanNa8(Al6Si6O24)(SO4) · H2OIso. 4 3m : P4 3n
17.10.2PitiglianoiteNa6K2(Al6Si6O24)(SO4) · 2H2OHex.
17.10.3Vishnevite(Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2OHex. 6 : P63
17.10.4Haüyne(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)Iso. 4 3m : P4 3n
17.10.5Liottite(Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4Hex.
17.10.6Latiumite(Ca,K)4(Si,Al)5O11(SO4,CO3)Mon.
17.10.7Tuscanite(K(Ca,Na)6(Si,Al)10O22[SO4,CO3,(OH)2] · H2OMon.
17.10.8MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2Hex.
17.10.9Delhayelite(Na,K)10Ca5Al6Si32O80(Cl2,F2,SO4)3 · 18H2OOrth.
17.10.10HydrodelhayeliteKCa2AlSi7O17(OH)2 · 6H2OOrth.
17.10.11Davyne(Na,K)6Ca2(Al6Si6O24)(Cl2,SO4)2Hex. 6/m : P63/m
17.10.12Afghanite(Na,K)22Ca10(Si24Al24O96)(SO4)6Cl6Trig. 3m : P3 1c
17.10.13Franzinite(Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2OHex.
17.10.14Giuseppettite(Na,K,Ca)7-8(Al6Si6O24)(SO4,Cl)1-2Hex.
17.10.15Sacrofanite(Na61K19Ca32)(Si84Al84O336)(SO4)26Cl2F6•2H2OHex.
17.10.16Chessexite(Na,K)4Ca2(Mg,Zn)3Al8(SO4)10(SiO4)2 · 40H2OOrth.
17.10.17InneliteNa2CaBa4Ti3(Si2O7)2(SO4)2O4Tric. 1 : P1
17.10.18ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2OHex. 6 : P63
17.10.19Ellestadite
17.10.20ChlorellestaditeCa5(SiO4)1.5(SO4)1.5ClHex. 6/m : P63/m
17.10.21HydroxylellestaditeCa5(SiO4)1.5(SO4)1.5(OH)Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
17.10.23MattheddleitePb5(SiO4)1.5(SO4)1.5(Cl,OH)Hex. 6/m : P63/m
17.10.24QueititePb4Zn2(SO4)(SiO4)(Si2O7)Mon. 2 : P21
17.10.25RoeblingitePb2Ca6Mn2+(Si3O9)2(SO4)2(OH)2 · 4H2OMon. 2/m : B2/m
17.10.26YoshimuraiteBa2Mn2Ti(Si2O7)(PO4)O(OH)Tric. 1 : P1
17.10.27KegelitePb8Al4(Si8O20)(SO4)2(CO3)4(OH)8Mon.
17.10.28Wenkite(Ba,K)4(Ca,Na)6[(SO4)3|(Si,Al)20O39(OH)2] · 0.5H2OHex.
17.10.29MacquartiteCu2Pb7(CrO4)4(SiO4)2(OH)2Mon.
17.10.30WeliniteMn2+6(W6+,Mg)2(SiO4)2(O,OH)6Trig. 3 : P3

Fluorescence of FluorellestaditeHide

No luminescence in ultraviolet light (360 nm)

Other InformationHide

Notes:
Soluble and weakly effervescent in HCl, leaving a silica residuum that retains the original form.
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 FluorellestaditeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Eakle, A.S. & A.F. Rogers (1914) Wilkeite, a new mineral of the apatite group, and okenite, its alteration product, from southern California, American Journal of Science, 4th. Series: 37: 262-267 (as Wilkeite).
McConnell (1937) American Mineralogist: 22: 977.
Palache, C., Berman, H., & Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 905 (as Wilkeite).
Chesnokov, B. V., Bazhenova, L. F, Bushmakin, A. F. (1987) Fluorellestadite Ca10[(SO4),(SiO4)]6F2—a new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 116 (6): 743-746.
Jambor, J. L. Puziewicz, J. (1989) New mineral names. American Mineralogist. 74: 500-505 [abstract]

Internet Links for FluorellestaditeHide

Localities for FluorellestaditeHide

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.
Canada
 
  • Québec
    • Laurentides
      • Deux-Montagnes RCM
        • Oka
GOLD, D.P., EBY, G.N. & VALLEÉ, M. (1986) Carbonatites, diatremes and ultra-alkaline rocks in the Oka area. Fieldtrip guidebook 21, GAC/MAC Meeting, Ottawa, 51p.
China
 
  • Hebei Province
    • Xingtai Prefecture
      • Xingtai Co.
Zhengmin Cao and Weijiong Zhu (1993): Acta Scientiarum Naturalium Universitatis Pekinensis 29(4)
Czech Republic
 
  • Moravia (Mähren; Maehren)
    • South Moravia Region
      • Oslavany
Hršelová, P., Cempírek, J., Houzar, S., Sejkora, J. (2013): S,F,Cl-rich mineral assemblages from burned spoil heaps in the Rosice-Oslavany coalfield, Czech Republic. Can. Mineral.: 51(1): 171-188
France
 
  • Occitanie
    • Aveyron
Eytier J.R. & Ch., Favreau G., Devouard B., Vigier J. (2004), Minéraux de pyrométamorphisme de Lapanouse-de Sévérac (Aveyron), Cahier des Micromonteurs, n°85, pp: 3-58
Germany
 
  • Rhineland-Palatinate
    • Eifel
      • Mayen
        • Ettringen
          • Bellerberg volcano
Hamm, H.M. (1985): Seltene Mineralparagenesen mit Ca2SiO4 und Reinhardbraunsit in Ca-reichen Xenolithen des Bellerberges, Laacher Vulkangebiet, Mitt. Österr. Mineral. Ges. 130, 63-75
in the collection of Christof Schäfer
Galuskin, E.V., Krüger, B., Krüger, H., Blass, G., Widmer, R., Galuskina, I.O. (2016): Wernerkrauseite, CaFe3+2Mn4+O6 - the first non-stoichiometric post-spinel mineral, from Bellerberg volcano, Eifel, Germany. European Journal of Mineralogy, 28, 485-493
  • Thuringia
    • Gera
      • Ronneburg U deposit
T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
Israel
 
  • Negev
Vapnik, Y., Sokol, E., Murashko M., Sharygin V. (2006): The enigma of Hatrurim. Mineralogical Almanac, 10, 69-77.
      • Hatrurim (Hatrurim Basin)
Galuskin, E.V., Galuskina, I.O., Gfeller, F., Krüger, B., Kusz, J., Vapnik, Y., Dulski, M., Dzierżanowski, P. (2016): Silicocarnotite, Ca5[(SiO4)(PO4)](PO4), a new ‘old’ mineral from the Negev Desert, Israel, and the ternesite-silicocarnotite solid solution: indicators of high-temperature alteration of pyrometamorphic rocks of the Hatrurim Complex, Southern Levant. European Journal of Mineralogy: 28: 105-12.
  • Southern District (HaDarom District)
    • Eilat
      • Timna Valley
Bartura, Y., & Würzburger, U. (1974). The Timna copper deposit. Annales de la Société géologique de Belgique. p277-285
Japan
 
  • Honshu Island
    • Kanto Region
      • Saitama Prefecture
        • Chichibu City
          • Ohtaki-mura
            • Nakatsugawa
              • Chichibu mining district (Chichibu mine)
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Jordan
 
  • Amman
    • Hashem region
      • Lisdan-Siwaga Fault
        • Siwaga
Khoury, H.N., Sokol, E.V., Kokh, S.N., Seryotkin, Y.V., Nigmatulina, E.N., Goryainov, S.V., Belogub, E.V., Clark, I.D. (2016): Tululite, Ca14(Fe3+,Al)(Al,Zn,Fe3+,Si,P,Mn,Mg)15O36: a new Ca zincate-aluminate from combustion metamorphic marbles, central Jordan. Mineralogy and Petrology, 110, 125-140
  • Irbid
    • Maqarin area
Khoury, H. N., Salameh, E., & Abdul-Jaber, Q. (1985). Characteristics of an unusual highly alkaline water from the Maqarin area, northern Jordan. Journal of Hydrology, 81(1), 79-91.
Mexico
 
  • Sonora
    • Mun. de Magdalena
Miranda-Gasca, M. A., Gomez-Caballero, J. A., & Eastoe, C. J. (1998). Borate deposits of northern Sonora, Mexico; stratigraphy, tectonics, stable isotopes, and fluid inclusions. Economic Geology, 93(4), 510-523.
Palestine
 
  • West Bank
    • Hatrurim Formation
Galuskina, I.O., Vapnik Ye., Lazic B., Armbruster T., Murashko M. and Galuskin E. Harmunite CaFe2O4: A new mineral from the Jabel Harmun, West Bank, Palestinian Autonomy, Israel. American Mineralogist, 99, 965–975.
Seryotkin Y.V., Sokol E.V. & Kokh S.N. 2012: Natural pseudowollastonite: Crystal structure, associated minerals, and geological context. Lithos, vol. 134-135, pp. 75-90; Seryotkin, Yu.V., Sokol, E.V., Kokh, S.N. (2012): Natural pseudowollastonite: Crystal structure, associated minerals, and geological context. Lithos, 134–135, 75-90.
Poland
 
  • Upper Silesia (Śląskie)
    • Będzin District
      • Czeladź
Ciesielczuk, J. (2008): Ellestadite-(F) – a mineral formed in the overburned coal dump (Upper Silesian Coal Basin). Mineralogia Special Papers: 32: 53
Portugal
 
  • Guarda District
    • Sabugal
      • Bendada
Schnorrer-Köhler (1991), Mineral Occurrences.
Russia
 
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
Cesnokov, B., M. Kotrly, and T. Nisanbajev (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
Zateeva, S. N., Sokol, E. V., & Sharygin, V. V. (2007). Specificity of pyrometamorphic minerals of the ellestadite group. Geology of Ore Deposits, 49(8), 792-805.
Cesnokov, B., M. Kotrly, and T. Nisanbajev (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
Chesnokov, B. V., Bazhenova, L. F, Bushmakin, A. F. (1987) Fluorellestadite Ca10[(SO4),(SiO4)]6F2—a new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 116 (6): 743-746; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Slovakia
 
  • Banská Bystrica Region
    • Banská Štiavnica Co.
      • Vysoká
Koděra P., Uher P., Ozdín D., Kollárová V., Lexa J., 2009: Monticellit, clintonit a hydroxylellestadit-fluorellestadit: vzácne skarnové minerály na Cu-Au porfýrovo-skarnovom ložisku Vysoká – Zlatno (štiavnický stratovulkán). Mineralia Slovaca, 41, 2, 169-178.
South Ossetia
 
  • Greater Caucasus Mountain Range
    • Kel’ volcanic area
      • Shadil-Khokh volcano
Galuskina, I.O., Krüger, B., Galuskin, E.V. ,Armbruster, T., Gazeev, V.M., Włodyka, R., Dulski, M. & Dzierżanowski, P. (2015): Fluorchegemite, Ca7(SiO4)3F2, a new mineral from the edgrewitebearing endoskarn zone of an altered xenolith in ignimbrites from Upper Chegem Caldera, Northern Caucasus, Kabardina-balkaria, Russia; Occurrence, crystal structure, and new data on the mineral assemblages. Canadian Mineralogist. 53, 325-344.
USA
 
  • California
    • Mono Co.
      • White Mts
        • White Mountain Peak
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 316.
    • Riverside Co.
      • Crestmore
Eakle, A.S. & A.F. Rogers (1914), Wilkeite, a new mineral of the apatite group, and okenite, its alteration product, from southern California, Am. Jour. Sci., 4th. Series: 37: 262-267.
          • Sky Blue Hill
Woodford, A.O., Crippen, R.A., and Garner, K.B. (1941) Section Across Commercial Quarry, Crestmore, California. American Mineralogist: 26: 368.
Woodford, A.O., Crippen, R.A., and Garner, K.B. (1941) Section Across Commercial Quarry, Crestmore, California. American Mineralogist: 26: 367-368.
Woodford, A.O., Crippen, R.A., and Garner, K.B. (1941) Section Across Commercial Quarry, Crestmore, California. American Mineralogist: 26: 352-381.
      • Jurupa Mts
        • Jurupa
Cooney, R.L. (1956), The mineralogy of the Jensen and Henshaw quarries near Riverside, California: Unpublished Master’s thesis, University of California at Los Angeles: 24, 39, 41; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 316; Devito, F. and Ordway, A. (1984), The Jensen Quarry, Riverside County, California. Mineralogical Record: 15(5): 273-290.
  • New York
    • Essex Co.
      • Keene Township
        • Cascade Mountain
Contrib. Mineral. Petrol. 74, 143-152 (1980)
Zambia
 
  • North-Western Province
    • Solwezi District
American Mineralogist: 59: 1139
Mineral and/or Locality  
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