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Fluor-elbaite

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Formula:
Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
System:
Trigonal
Colour:
Blue-green
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

Approved 2011
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http://www.mindat.org/min-39706.html
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Type Occurrence of Fluor-elbaite

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.
Geological Setting of Type Material:
Granitic pegmatite
Associated Minerals at Type Locality:

Physical Properties of Fluor-elbaite

Vitreous
Colour:
Blue-green
Streak:
White
Fracture:
Sub-Conchoidal

Crystallography of Fluor-elbaite

Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
R3m
Cell Parameters:
a = 15.8933(2) Å, c = 7.1222(1) Å
Ratio:
a:c = 1 : 0.448
Unit Cell Volume:
V 1558.02 ų
Z:
3
X-Ray Powder Diffraction Data:
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.

Optical Data of Fluor-elbaite

Type:
Uniaxial (-)
Pleochroism:
Visible
Comments:
O = green/bluish green, E = pale green

Chemical Properties of Fluor-elbaite

Formula:
Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
Essential elements:
All elements listed in formula:
Analytical Data:
From type description. Analysis by a combination of electron microprobe, secondary ion mass spectrometry, and Mössbauer spectroscopy.
SiO2 (37.48)
Al2O3 (37.81)
FeO (3.39)
MnO (2.09)
ZnO (0.27)
CaO (0.34)
Na2O (2.51)
K2O (0.06)
F (1.49)
B2O3 (10.83)
Li2O (1.58)
H2O (3.03)
sum 100.25 wt%. 
Empirical Formula:
X(Na0.78□0.15Ca0.06K0.01)Y(Al1.15Li1.02Fe2+0.46Mn2+0.28Zn0.03) ZAl6T(Si6.02O18)B(BO3)3V(OH)3W(F0.76OH0.24) ·

Relationship of Fluor-elbaite to other Species

Other Members of Group:
AdachiiteCaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH)
BosiiteNaFe33+(Al4Mg2)(Si6O18)(BO3)3(OH)3O
Chromium-draviteNa(Mg3)Cr63+(Si6O18)(BO3)3(OH)3(OH)
Chromo-alumino-povondraiteNa(Cr3)(Al4Mg2)(Si6O18)(BO3)3(OH)3O
DarrellhenryiteNa(LiAl2)Al6(BO3)3Si6O18(OH)3O
DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
Fluor-buergeriteNa(Fe33+)Al6(Si6O18)(BO3)3O3F
Fluor-draviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3F
Fluor-feruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3F
Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Fluor-schorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3F
Fluor-tsilaisiteNa(Mn2+)3Al6(Si6O18)(BO3)3(OH)3F
Fluor-uviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3F
Foitite(□,Na)(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3OH
LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Luinaite-(OH)Na(Fe2+)3Al6(Si6O18)(BO3)3(OH)3(OH)
Magnesio-foitite(□,Na)(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
MaruyamaiteK(MgAl2)(Al5Mg)(BO3)3(Si6O18)(OH)3O
OleniteNa(Al3)Al6(Si6O18)(BO3)3O3(OH)
Oxy-chromium-draviteNa(Cr)3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O
Oxy-draviteNa(MgAl2)MgAl5(Si6O18)(BO3)3(OH)3O
Oxy-rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3O
Oxy-schorlNa(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3O
Oxy-vanadium-draviteNa(V)3(V4Mg2)Si6O18(BO3)3(OH)3O
PovondraiteNaFe33+(Mg2Fe43+)(Si6O18)(BO3)3(OH)3O
Rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
TsilaisiteNa(Mn2+)3Al6(Si6O18)(BO3)3(OH)3(OH)
UM2000-64-SiO:BFeHKMgK, Mg, Fe, Si, B, O, H
Unnamed (Pb-dominant Tourmaline)(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)
UviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)
Vanadio-oxy-chromium-draviteNa(V)3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O
Vanadio-oxy-draviteNaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3O

Other Names for Fluor-elbaite

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 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.

Bosi, F., Andreozzi, G.B., Skogby, H., Lussier, A.J., Abdu, Y.A., Hawthorne, F.C. (2013): Fluor-elbaite, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F, a new mineral species of the tourmaline supergroup. American Mineralogist, 98, 297–303.

Internet Links for Fluor-elbaite

Localities for Fluor-elbaite

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.
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 (TL)
 
  • 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.J., Abdu, Y.A., Hawthorne, F.C. (2013): Fluor-elbaite, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F, a new mineral species of the tourmaline supergroup. American Mineralogist, 98, 297–303.
    • Jequitinhonha valley
      • Itinga
        • Monte Belo
Bosi, F., Andreozzi, G.B., Skogby, H., Lussier, A.J., Abdu, Y.A., Hawthorne, F.C. (2013): Fluor-elbaite, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F, a new mineral species of the tourmaline supergroup. American Mineralogist, 98, 297–303.
        • Taquaral
          • Piauí valley
Luigi Chiappino specimen
Canada
 
  • British Columbia
    • Revelstoke Mining Division
      • Revelstoke
DIXON,A., CEMPIREK, J. & GROAT, L.A. (2014) Mineralogy and geochemistry of pegmatites on Mount Begbie, British Columbia. Canadian Mineralogist 52, 129-164.
  • 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
    • Kenora District
      • Pakeagama Lake Area
Andrew G. Tindle, Fred W. Breaks and Julie B. Selway (2002) Tourmaline in petalite-subtype granitic pegmatites; evidence of fractionation and contamination from the Paleagama Lake and Separation Lake areas of northwestern Ontario, Canada. The Canadian Mineralogist 40:753-78
      • Root Lake pegmatite group
        • Root Lake Area
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.
Tindle, A.G., Breaks, F.W., and Selway, J.B. (2002) Tourmaline in petalite-subtype gramitic pegmatites: evidence of fractionation and contamination from Pakeagama Lake and Separation Lake areas of northwestern Ontario, Canada. Canadian Mineralogist, 40, 753-788.
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.
Italy
 
  • Tuscany
    • Livorno Province
      • Elba Island
        • Campo nell'Elba
          • San Piero in Campo
Bosi, F., Andreozzi, G.B., Agrosì, G. and Scandale (2015): Fluor-tsilaisite, NaMn3Al6(Si6O18)(BO3)3(OH)3F, a new tourmaline from San Piero in Campo (Elba, Italy) and new data on tsilaisitic tourmaline from the holotype specimen locality. Mineralogical Magazine. 79, 89-101
Japan
 
  • Kyushu Region
    • Fukuoka Prefecture
Yohei Shirose, Seiichiro Uehara (2013) Li tourmaline from Nagatare, Fukuoka Prefecture, Japan. Journal of Mineralogical and Petrological Sciences Vol. 108 (2013) No. 4 August p. 238-243
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
Neiva, Ana M.R.; Leal Gomes, Carlos A.A. (2012): Tourmaline-group minerals in the Naipa Li-Cs-Ta granitic pegmatite group, Mozambique: tracers of magmatic to post-magmatic evolution trends. Neues Jahrbuch fur Mineralogie - Abhandlungen, 189, 1-20.
Norway
 
  • Nordland
    • Meløy
      • Holandsfjord
Kolitsch, U., Andresen, P., Husdal, T. A., Ertl, A., Haugen, A., Ellingsen, H. V. and Larsen, A. O. (2013): Tourmaline-group minerals from Norway, part II: Occurrences of luinaite-(OH) in Tvedalen, Larvik and Porsgrunn, and fluor-liddicoatite, fluor-elbaite and fluor-schorl at Ågskardet, Nordland. Norsk Bergverksmuseet Skrift 50, 23-41.
Sweden
 
  • Södermanland
    • Utö
      • Utö Mines
Selway, J. B.; Smeds, S.-A.; Černý, P.; Hawthorne, F. C. (2002): Compositional evolution of tourmaline in the petalite-subtype Nyköpingsgruvan pegmatites, Utö, 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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