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Fluor-elbaite

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Arqueana pegmatite, Piauí valley, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Brazil
© J.Ralph

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Formula:
Na(Li
 
1.5
Al
 
1.5
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
F
System:Trigonal
Member of:Tourmaline Group
Name:For being the F-analogue of elbaite.


Tourmaline Group.

The F-dominant analogue of elbaite. Known for a long time, finally approved in 2011.

Classification of Fluor-elbaite

IMA status:Approved 2011
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Type Occurrence of Fluor-elbaite

Type Locality:Cruzeiro mine, São José da Safira, Doce valley, Minas Gerais, Brazil
Place of Conservation of Type Material:The holotype specimen from the Cruzeiro mine is deposited in the collections of the Museum of Mineralogy, Earth Sciences Department, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy, catalogue number 33045.

Crystallography of Fluor-elbaite

Crystal System:Trigonal
Class (H-M):3m - Ditrigonal Pyramidal
Space Group:R3m
Cell Parameters:a = 15.8720(2) Å, c = 7.1103(1) Å
Ratio:a:c = 1 : 0.448
Unit Cell Volume:V 1,551.25 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
4.200 (57)
3.974 (66)
3.447 (99)
2.938 (100)
2.568 (93)
2.032(42)
1.649 (29)
1.445 (29)
Comments:Indistinguishable from elbaite data.

Chemical Properties of Fluor-elbaite

Formula:
Na(Li
 
1.5
Al
 
1.5
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
F
Essential elements:Al, B, F, H, Li, Na, O, Si
All elements listed in formula:Al, B, F, H, Li, Na, O, Si

Relationship of Fluor-elbaite to other Species

Member of:Tourmaline Group
Other Members of Group:

- +
Buergerite
Na(Fe
3+
3
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
O
 
3
F
Chromium-dravite
Na(Mg
 
3
)Cr
3+
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
Chromo-alumino-povondraite
Na(Cr
 
3
)Mg
 
2
Al
 
4
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
O
Dravite
Na(Mg
 
3
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
Elbaite
Na(Li
 
1.5
Al
 
1.5
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
Feruvite
Ca(Fe
2+
 
)
 
3
MgAl
 
5
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
Fluor-dravite
Na(Mg
 
3
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
F
Fluor-feruvite
Ca(Fe
2+
 
)
 
3
MgAl
 
5
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
F
Fluor-liddicoatite
Ca(Li
 
2
Al)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)F
Fluor-schorl
Na(Fe
2+
3
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
F
Foitite
(□,Na)(Fe
2+
2
Al)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
OH
Liddicoatite
Ca(Li
 
2
Al)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
Luinaite-(OH)
Na(Fe
2+
 
)
 
3
Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
Magnesiofoitite
(□,Na)(Mg
 
2
Al)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
Olenite
Na(Al
 
3
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
O
 
3
(OH)
Oxy-dravite
Na(MgAl
 
2
)MgAl
 
5
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
O
Oxy-rossmanite
☐(LiAl
 
2
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
O
Oxy-schorl
Na(Fe
2+
 
,Al)
 
3
Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(O,OH,F)
Povondraite
Na(Fe
3+
3
)Mg
 
2
Fe
3+
4
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
O
Rossmanite
☐(LiAl
 
2
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
Schorl
Na(Fe
2+
3
)Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
Tsilaisite
Na(Mn
2+
 
)
 
3
Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
UM2000-64-SiO:BFeHKMg
K, Mg, Fe, Si, B, O, H
Unnamed (Pb-dominant tourmaline)
(Pb,Na)(Li,Al)
 
3
Al
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(F,OH)
Uvite
Ca(Mg
 
3
)MgAl
 
5
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)
Vanadium-dravite
Na(Mg,Fe
2+
 
)
 
3
(V
3+
 
,Cr
3+
 
,Al)
 
6
(Si
 
6
O
 
18
)(BO
 
3
)
 
3
(OH)
 
3
(OH)

Other Names for Fluor-elbaite

Synonyms:
IMA2011-071 UM2000-//-SiO:AlBFLiNaUnnamed (F-analogue of Elbaite)
Other Languages:

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 Fluor-elbaite

Reference List:

- +
HAWTHORNE, F. C. & HENRY, D. J. (1999): Classification of the minerals of the tourmaline group. Eur. J. Mineral. 11, 201-215. [original proposal of end-member (composition)]

Akizuki, M., Kuribayashi, T., Nagase, T., and Kitakaze, A. (2001) Triclinic liddicoatite and elbaite in growth sectors of tourmaline from Madagascar. American Mineralogist, 86, 364-369. [mentions fluor-elbaite in a sector in a non-trigonal "elbaite"; note: the locality given, "Jochy", is a misnomer]

Rozhdestvenskaya, I. V.; Frank-Kamenetskaya, O. V.; Zolotarev, A. A.; Bronzova, Yu. M.; Bannova, I. I. (2005): Refinement of the crystal structures of three fluorine-bearing elbaites. Crystallography Reports 50, 907-913.

A. Ertl, U. Kolitsch, H.-P. Meyer, T. Ludwig, C. L. Lengauer, L. Nasdala and E. Tillmanns (2009): Substitution mechanism in tourmalines of the “fluor-elbaite”-rossmanite series from Wolkenburg, Saxony, Germany. N. Jahrb. Mineral. Abh. 185, 51-61.

Natkaniec-Nowak, L., Dumańska-Słowik, M. & Ertl, A. (2009): “Watermelon” tourmaline from the Paprok mine (Nuristan, Afghanistan). Neues Jahrbuch für Mineralogie - Abhandlungen, 186, 185-193.

Henry, D., Novák, M., Hawthorne, F.C., Ertl, A., Dutrow, B.L., Uher, P. & Pezzotta, F. (2011): Nomenclature of the tourmaline supergroup minerals. Am. Mineral., 96, 895-913.

Bosi, F., Andreozzi, G.B., Skogby, H., Lussier, A., Ball, N.A. and Hawthorne, F.C. (2011) Fluor-elbaite, IMA 2011-071. CNMNC Newsletter No. 11, December 2011, page 2891; Mineralogical Magazine, 75, 2887-2893.

Internet Links for Fluor-elbaite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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    • Localities for Fluor-elbaite

    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.
    Afghanistan
     
    • Nuristan Province (Nurestan Province; Nooristan Province; Nuristan)
      • Kamdesh District
    		Natkaniec-Nowak, L., Dumańska-Słowik, M. & Ertl, A. (2009): “Watermelon” tourmaline from the Paprok mine (Nuristan, Afghanistan). Neues Jahrbuch für Mineralogie - Abhandlungen, 186, 185-193.
    Brazil
     
    • Minas Gerais
      • Doce valley
        • São José da Safira
    		Dutrow, B. and Henry, D. J. (2000) Complexly zoned fibrous tourmaline: A record of evolving magmatic and hydrothermal fluids. Canadian Mineralogist, 38, 131-143; Bosi, F., Andreozzi, G.B., Skogby, H., Lussier, A., Ball, N.A. and Hawthorne, F.C. (2011) Fluor-elbaite, IMA 2011-071. CNMNC Newsletter No. 11, December 2011, page 2891; Mineralogical Magazine, 75, 2887-2893.
      • Jequitinhonha valley
        • Itinga
          • Taquaral
            • Piauí valley
    		Luigi Chiappino specimen
    Canada
     
    • Manitoba
      • Lac-du-Bonnet area
        • Bernic Lake
    		Selway, J. B.; Cerny, P.; Hawthorne, F. C.; Novak, M. (2000): The Tanco pegmatite at Bernic lake, Manitoba. XIV. Internal tourmaline. Canadian Mineralogist 38, 877-891.
    • Ontario
      • Root Lake pegmatite group
    		Tindle, A. G., Selway, J. B. & Breaks, F. W. (2005): Liddicoatite and associated species from the McCombe spodumene-subtype rare-element granitic pegmatite, northwestern Ontario, Canada. Canadian Mineralogist 43, 769-793.
    Germany
     
    • Saxony
      • Limbach-Oberfrohna
        • Pegmatite occurrences
    		A. Ertl, U. Kolitsch, H.-P. Meyer, T. Ludwig, C. L. Lengauer, L. Nasdala and E. Tillmanns (2009): Substitution mechanism in tourmalines of the “fluor-elbaite”-rossmanite series from Wolkenburg, Saxony, Germany. N. Jahrb. Mineral. Abh. 185, 51-61.
    Madagascar
     
    • Antananarivo Province
      • Vakinankaratra Region
        • Betafo District
          • Ambohimanambola Commune
    		Ertl, A., Hughes, J. M., Prowatke, S., Ludwig, T., Prasad, P. S. R., Brandstätter, F., Körner, W., Schuster, R., Pertlik, F. and Marschall, H. (2006): Tetrahedrally coordinated boron in tourmalines from the liddicoatite-elbaite series from Madagascar: Structure, chemistry, and infrared spectroscopic studies. Am. Mineral. 91, 1847-1856. [F-dominant]
    Mozambique
     
    • Zambezia Province
      • Alto Ligonha District
        • Muva
    		Yellow tourmaline from Muva, Simmons, W.B., Falster A.U. & Laurs, B.M. (2011): A survey of Mn-rich yellow tourmaline from worldwide localities and implications for the petrogenesis of granitic pegmatites. Canadian Mineralogist. 49: 301-319
    Sweden
     
    • Södermanland
      • Utö
        • Utö Mines
    		Selway, J. B.; Smeds, S.-A.; Cerny, P.; Hawthorne, F. C. (2002): Compositional evolution of tourmaline in the petalite-subtype Nykopingsgruvan pegmatites, Uto, Stockholm Archipelago, Sweden. GFF 124, 93-102.
    USA
     
    • California
      • San Diego Co.
        • Mesa Grande District
          • Gem Hill
    		Ertl, A., Rossman, G.R., Hughes, J.M., London, D., Wang, Y., O’Leary, J.A., Dyar, M.D., Prowatke, S., Ludwig, T. & Tillmanns, E. (2010): Tourmaline of the elbaite-schorl series from the Himalaya Mine, Mesa Grande, California, U.S.A.: A detailed investigation. Am. Mineral., 95, 24-40.
    Zambia
     
    • Eastern Province
      • Lundazi District
    		Simmons, W.B., Falster A.U. & Laurs, B.M. (2011): A survey of Mn-rich yellow tourmaline from worldwide localities and implications for the petrogenesis of granitic pegmatites. Canadian Mineralogist. 49: 301-319
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    Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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