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Fluorellestadite

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Formula:
Ca
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
F
System:HexagonalColour:Light rose-red, yellow
Hardness:
Member of:Ellestadite Group > Apatite Supergroup
Name:In allusion to its composition, being the fluorine-dominant analogue of hydroxylellestadite.

Classification of Fluorellestadite

IMA status:Approved 1987
Strunz 8th edition ID:8/B.27-10
Nickel-Strunz 10th (pending) edition ID:9.AH.25

9 : SILICATES (Germanates)
A : Nesosilicates
H : Nesosilicates with CO3, SO4, PO4, etc.
Dana 8th edition ID: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
Hey's CIM Ref.:17.10.22

17 : Silicates Containing other Anions
10 : Silicates with sulphate, molybdate or tungstate
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Type Occurrence of Fluorellestadite

Type Locality:Coal mine No. 44, Kopeisk, Chelyabinsk coal basin, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia
Year of Discovery:1982

Physical Properties of Fluorellestadite

Colour:Light rose-red, yellow
Hardness (Mohs):
Tenacity:Very brittle
Cleavage:Imperfect/Fair
On {0001}, imperfect.

Crystallography of Fluorellestadite

Crystal System:Hexagonal
Cell Parameters:a = 9.53Å, c = 6.91Å
Ratio:a:c = 1 : 0.725
Unit Cell Volume:V 543.49 ų (Calculated from Unit Cell)

Optical Data of Fluorellestadite

Type:Uniaxial (-)
RI values: nω = 1.655 nε = 1.650
Maximum Birefringence:δ = 0.005

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Fluorellestadite

Formula:
Ca
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
F
Simplified for copy/paste:Ca5(SiO4)1.5(SO4)1.5F
Essential elements:Ca, F, O, S, Si
All elements listed in formula:Ca, F, O, S, Si
Common Impurities:Al,Fe,Mn,Mg,Na,K

Relationship of Fluorellestadite to other Species

Series:Forms a series with Hydroxylellestadite (see here)
Member of:Ellestadite Group > Apatite Supergroup
Other Members of Group:

- +
Hydroxylellestadite
Ca
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
(OH)
Mattheddleite
Pb
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
(Cl,OH)
Related Minerals - Nickel-Strunz Grouping):

- +
9.AH.05Iimoriite-(Y)
Y
 
2
[SiO
 
4
][CO
 
3
]
9.AH.10Tundrite-(Ce)
Na
 
2
Ce
 
2
Ti(SiO
 
4
)(CO
 
3
)
 
2
O
 
2
9.AH.10Tundrite-(Nd)
Na
 
3
(Nd,La)
 
4
(Ti,Nb)
 
2
(SiO
 
4
)
 
2
(CO
 
3
)
 
3
O
 
4
(OH) · 2H
 
2
O
9.AH.15Spurrite
Ca
 
5
(SiO
 
4
)
 
2
(CO
 
3
)
9.AH.20Ternesite
Ca
 
5
(SiO
 
4
)
 
2
(SO
 
4
)
9.AH.25Britholite-(Ce)
Ca
 
2
(Ce,Ca)
 
3
(SiO
 
4
,PO
 
4
)
 
3
(OH,F)
9.AH.25Britholite-(Y)
Ca
 
2
(Y,Ca)
 
3
(SiO
 
4
,PO
 
4
)
 
3
(OH,F)
9.AH.25Ellestadite-(Cl)
Ca
 
10
(SiO
 
4
)
 
3
(SO
 
4
)
 
3
Cl
 
2
9.AH.25Fluorbritholite-(Ce)
Ca
 
2
(Ce,Ca)
 
3
(SiO
 
4
,PO
 
4
)
 
3
(F,OH)
9.AH.25Hydroxylellestadite
Ca
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
(OH)
9.AH.25Mattheddleite
Pb
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
(Cl,OH)
9.AH.25Tritomite-(Ce)
(Ce,La,Y,Th)
 
5
(Si,B)
 
3
(O,OH,F)
 
13
9.AH.25Tritomite-(Y)
(Y,Ca,La,Fe)
 
5
(Si,B,Al)
 
3
(O,OH,F)
 
13
9.AH.25Fluorcalciobritholite
(Ca,Ce)
 
5
(SiO
 
4
,PO
 
4
)
 
3
F
9.AH.25Fluorbritholite-(Y)
Ca
 
2
(Y,Ca,Ln)
 
3
(SiO
 
4
,PO
 
4
)
 
3
(F,OH)
Related Minerals - Hey's Index Grouping:

- +
17.10.1Nosean
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
) · H
 
2
O
17.10.2Pitiglianoite
Na
 
6
K
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
) · 2H
 
2
O
17.10.3Vishnevite
(Na,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,CO
 
3
) · 2H
 
2
O
17.10.4Haüyne
(Na,Ca)
 
4-8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,S,Cl)
 
1-2
17.10.5Liottite
(Na,K)
 
16
Ca
 
8
(Al
 
6
Si
 
6
O
 
24
)
 
3
(SO
 
4
)
 
5
Cl
 
4
17.10.6Latiumite
(Ca,K)
 
4
(Si,Al)
 
5
O
 
11
(SO
 
4
,CO
 
3
)
17.10.7Tuscanite
(K(Ca,Na)
 
6
(Si,Al)
 
10
O
 
22
[SO
 
4
,CO
 
3
,(OH)
 
2
] · H
 
2
O
17.10.8Microsommite
Na
 
4
K
 
2
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)Cl
 
2
17.10.9Delhayelite
(Na,K)
 
10
Ca
 
5
Al
 
6
Si
 
32
O
 
80
(Cl
 
2
,F
 
2
,SO
 
4
)
 
3
· 18H
 
2
O
17.10.10Hydrodelhayelite
KCa
 
2
AlSi
 
7
O
 
17
(OH)
 
2
· 6H
 
2
O
17.10.11Davyne
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(Cl
 
2
,SO
 
4
)
 
2
17.10.12Afghanite
(Na,Ca,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(Cl
 
2
,SO
 
4
,CO
 
3
)
 
3
· 0.5H
 
2
O
17.10.13Franzinite
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
· 0.5H
 
2
O
17.10.14Giuseppettite
(Na,K,Ca)
 
7-8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,Cl)
 
1-2
17.10.15Sacrofanite
(Na,K)
 
98
Ca
 
20
(Al
 
6
Si
 
6
O
 
24
)
 
14
(SO
 
4
)
 
26
Cl
 
2
· 8H
 
2
O
17.10.16Chessexite
(Na,K)
 
4
Ca
 
2
(Mg,Zn)
 
3
Al
 
8
(SO
 
4
)
 
10
(SiO
 
4
)
 
2
· 40H
 
2
O
17.10.17Innelite
Na
 
2
CaBa
 
4
Ti
 
3
(Si
 
2
O
 
7
)
 
2
(SO
 
4
)
 
2
O
 
4
17.10.18Thaumasite
Ca
 
3
(SO
 
4
)[Si(OH)
 
6
](CO
 
3
) · 12H
 
2
O
17.10.19Ellestadite
17.10.20Ellestadite-(Cl)
Ca
 
10
(SiO
 
4
)
 
3
(SO
 
4
)
 
3
Cl
 
2
17.10.21Hydroxylellestadite
Ca
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
(OH)
17.10.23Mattheddleite
Pb
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
(Cl,OH)
17.10.24Queitite
Pb
 
4
Zn
 
2
(SO
 
4
)(SiO
 
4
)(Si
 
2
O
 
7
)
17.10.25Roeblingite
Pb
 
2
Ca
 
6
Mn
2+
 
(Si
 
3
O
 
9
)
 
2
(SO
 
4
)
 
2
(OH)
 
2
· 4H
 
2
O
17.10.26Yoshimuraite
Ba
 
2
Mn
 
2
Ti(Si
 
2
O
 
7
)(PO
 
4
)O(OH)
17.10.27Kegelite
Pb
 
8
Al
 
4
(Si
 
8
O
 
20
)(SO
 
4
)
 
2
(CO
 
3
)
 
4
(OH)
 
8
17.10.28Wenkite
(Ba,K)
 
4
(Ca,Na)
 
6
[(SO
 
4
)
 
3
|(Si,Al)
 
20
O
 
39
(OH)
 
2
] · 0.5H
 
2
O
17.10.29Macquartite
Cu
 
2
Pb
 
7
(CrO
 
4
)
 
4
(SiO
 
4
)
 
2
(OH)
 
2
17.10.30Welinite
Mn
2+
6
(W
6+
 
,Mg)
 
2
(SiO
 
4
)
 
2
(O,OH)
 
6

Other Names for Fluorellestadite

Synonyms:
Ellestadite-(F)IMA1987-002
Other Languages:
German:Fluorellestadit
Russian:Зллестадит-(F)
Simplified Chinese:硅硫磷灰石
Spanish:Fluorellestadita
Varieties:
Wilkeite

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 Fluorellestadite

Reference List:

- +
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).

American Mineralogist (1989): 74: 502-503.

Internet Links for Fluorellestadite

Search Engines:
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  • External Links:
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  • Look for Fluorellestadite on Wikipedia
  • Look for Fluorellestadite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Fluorellestadite details from Handbook of Mineralogy (PDF)
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  • Localities for Fluorellestadite

    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
     
    • 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)
    France
     
    • Midi-Pyrénées
      • 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
    • 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.
    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.
    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).
    ZVMO (1987) 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.
    USA
     
    • California
      • Mono Co.
        • White Mts
          • White Mountain Peak
    Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 316.
      • Riverside Co.
        • Crestmore
    [var: Wilkeite] 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
          • Cascade Mountain
    Contrib. Mineral. Petrol. 74, 143-152 (1980)
    Zambia
     
    • North-Western Province
      • Solwezi District
    American Mineralogist: 59: 1139
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