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Fluor-buergerite

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Martin J. Buerger
Formula:
Na(Fe33+)Al6(Si6O18)(BO3)3O3F
System:
Trigonal
Colour:
Bronzish-brown to ...
Lustre:
Name:
Named for Martin Julian Buerger [April 8, 1903 Detroit, Michigan, USA - February 26, 1986 Lincoln, Massachusetts, USA], Professor of Mineralogy at the Massachusetts Institute of Technology and a pioneer of crystal structure analysis, he invented the X-ray precession camera permitting undistorted photography of the reciprocal lattice. He wrote many standard works concerning x-ray crystallography and was the PhD adviser for Harvard University mineralogist Clifford Frondel.
Originally named buergerite, but renamed as part of a nomenclature revision, because the type material is F-dominant (Henry et al., 2011).

Buergerite, i.e. the OH-dominant analogue, is currently not a recognised species.


Visit gemdat.org for gemological information about Fluor-buergerite.

Classification of Fluor-buergerite

Renamed approved 2011
9.CK.05

9 : SILICATES (Germanates)
C : Cyclosilicates
K : [Si6O18]12- 6-membered single rings, with insular complex anions
Dana 7th ed.:
61.3.1.7
61.3.1.5

61 : CYCLOSILICATES Six-Membered Rings
3 : Six-Membered Rings with borate groups
17.5.45

17 : Silicates Containing other Anions
5 : Borosilicates
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http://www.mindat.org/min-818.html
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First Recorded Occurrence of Fluor-buergerite

Year of Discovery:
1966

Physical Properties of Fluor-buergerite

Colour:
Bronzish-brown to dark-brown.
Streak:
Brown.
Cleavage:
Distinct/Good
on {11_20}

Crystallography of Fluor-buergerite

Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
R3m
Cell Parameters:
a = 15.87Å, c = 7.18Å
Ratio:
a:c = 1 : 0.452
Unit Cell Volume:
V 1,566.06 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Fluor-buergerite

Type:
Uniaxial (-)
RI values:
nω = 1.735 nε = 1.655
Max Birefringence:
δ = 0.080
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
High

Chemical Properties of Fluor-buergerite

Formula:
Na(Fe33+)Al6(Si6O18)(BO3)3O3F
Essential elements:
All elements listed in formula:
Common Impurities:
Ti,Mn,Mg,Ca,K

Relationship of Fluor-buergerite to other Species

Series:
Forms a series with Dravite (see here)
Other Members of Group:
AdachiiteCaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH)
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-draviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3F
Fluor-elbaiteNa(Li1.5Al1.5)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
9.CK.Fluor-schorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3F
9.CK.05Chromium-draviteNa(Mg3)Cr63+(Si6O18)(BO3)3(OH)3(OH)
9.CK.05DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
9.CK.05ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
9.CK.05FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
9.CK.05Foitite(□,Na)(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3OH
9.CK.05LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
9.CK.05OleniteNa(Al3)Al6(Si6O18)(BO3)3O3(OH)
9.CK.05PovondraiteNaFe33+(Mg2Fe43+)(Si6O18)(BO3)3(OH)3O
9.CK.05SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
9.CK.05Magnesio-foitite(□,Na)(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
9.CK.05Rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
9.CK.05Oxy-vanadium-draviteNa(V)3(V4Mg2)Si6O18(BO3)3(OH)3O
9.CK.05Oxy-draviteNa(MgAl2)MgAl5(Si6O18)(BO3)3(OH)3O
9.CK.05Oxy-rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3O
9.CK.05Chromo-alumino-povondraiteNa(Cr3)(Al4Mg2)(Si6O18)(BO3)3(OH)3O
9.CK.05Fluor-draviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3F
9.CK.05Fluor-uviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3F
9.CK.10Abenakiite-(Ce)Na26Ce6(Si6O18)(PO4)6(CO3)6(SO3)
9.CK.15ScawtiteCa7(Si3O9)2CO3 · 2H2O
9.CK.20Steenstrupine-(Ce)Na14Mn22+(Fe3+,Mn3+)2Ce6(Zr,Th)(Si6O18)2(PO4)6(HPO4)(OH)2 · 2H2O
9.CK.20ThorosteenstrupineCaMnThSi4O11(OH)F · 6H2O
17.5.1ManandoniteLi2Al4(Si2AlB)O10(OH)8
17.5.2ReedmergneriteNa[BSi3O8]
17.5.3SearlesiteNa(H2BSi2O7)
17.5.4OleniteNa(Al3)Al6(Si6O18)(BO3)3O3(OH)
17.5.5ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
17.5.6KalborsiteK6Al4BSi6O20(OH)4Cl
17.5.7BoromuscoviteKAl2(BSi3O10)(OH)2
17.5.8PoudretteiteKNa2B3Si12O30
17.5.9LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
17.5.10DatoliteCa(HBSiO5)
17.5.11DanburiteCaB2Si2O8
17.5.12HowliteCa2B5SiO9(OH)5
17.5.13BakeriteCa4(H5B5Si3O20)
17.5.14OyeliteCa10Si8B2O29 · 12.5H2O
17.5.15KornerupineMg3Al6(Si,Al,B)5O21(OH)
17.5.16HarkeriteCa12Mg4Al(BO3)3(SiO4)4(CO3)5 · H2O
17.5.17Serendibite(Ca,Na)2(Mg,Fe2+)3(Al,Fe3+)3[O2|(Si,Al,B)6O18]
17.5.18Stillwellite-(Ce)(Ce,La,Ca)BSiO5
17.5.19Tadzhikite-(Ce)(Ca,Ce)4(Ce,Y)2(Ti4+,Fe3+,Al)[B4Si4O22](OH)2
17.5.20Melanocerite-(Ce)(Ce,Ca)5(SiO4,BO4)3(OH,0)
17.5.21Okanoganite-(Y)(Na,Ca)3(Y,Ce)12Si6B2O27F14
17.5.22Tritomite-(Ce)(Ce,La,Y,Th)5(Si,B)3(O,OH,F)13
17.5.23Tritomite-(Y)(Y,Ca,La,Fe)5(Si,B,Al)3(O,OH,F)13
17.5.24Cappelenite-(Y)Ba(Y,Ce)6Si3B6O24F2
17.5.25Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
17.5.26Holtite(Ta0.60.4)Al6BSi3O18(O,OH)2.25
17.5.27DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
17.5.28 Ferridravite
17.5.29Axinite-(Mg)Ca2MgAl2BSi4O15OH
17.5.30UviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)
17.5.31GarrelsiteBa3NaSi2B7O16(OH)4
17.5.32TienshaniteKNa3Na6Ca2Ba6Mn6(Ti4+,Nb)6B12Si36O114(O,OH,F)11
17.5.33LeucospheniteBaNa4Ti2B2Si10O30
17.5.34TaramelliteBa4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2Clx
17.5.35TitantaramelliteBa4(Ti,Fe3+,Fe2+,Mg)4(B2Si8O27)O2Clx
17.5.36NagashimaliteBa4(V,Ti)4B2Si8O27(O,OH)2Cl
17.5.37Chromium-draviteNa(Mg3)Cr63+(Si6O18)(BO3)3(OH)3(OH)
17.5.38WawayandaiteCa6Mn2BBe9Si6O23(OH,Cl)15
17.5.39Werdingite(Mg,Fe)2Al14Si4B4O37
17.5.40Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
17.5.41Axinite
17.5.42Tinzenite(Ca,Mn2+)2Mn2+Al2BSi4O15(OH)
17.5.44SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
17.5.46FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
17.5.47Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
17.5.48HomiliteCa2(Fe2+,Mg)B2Si2O10
17.5.49Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
17.5.50Hyalotekite(Pb,Ba,K)4(Ca,Y)2(B,Be)2(Si,B)2Si8O28(F,Cl)
17.5.51Hellandite-(Y)(Ca,REE)4Y2Al(Be,Li)2-xB4Si4O22(OH)2
61.3.1.1Foitite(□,Na)(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3OH
61.3.1.2Magnesio-foitite(□,Na)(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
61.3.1.3Rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
61.3.1.4LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
61.3.1.5UviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)
61.3.1.5Fluor-uviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3F
61.3.1.6FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
61.3.1.8PovondraiteNaFe33+(Mg2Fe43+)(Si6O18)(BO3)3(OH)3O
61.3.1.9OleniteNa(Al3)Al6(Si6O18)(BO3)3O3(OH)
61.3.1.10ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
61.3.1.11DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
61.3.1.12SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
61.3.1.13Chromium-draviteNa(Mg3)Cr63+(Si6O18)(BO3)3(OH)3(OH)
61.3.1.14Oxy-vanadium-draviteNa(V)3(V4Mg2)Si6O18(BO3)3(OH)3O

Other Names for Fluor-buergerite

Name in Other Languages:
German:Buergerit
Simplified Chinese:布格电气石
Spanish:Buergerita

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-buergerite

Reference List:
Donnay, G., Ingamells, C.O., and Mason, B.H. (1966) Buergerite, a new species of
tourmaline. American Mineralogist, 51, 198–199.

Barton, R., Jr. (1969) Refinement of the crystal structure of buergerite and the absolute orientation of tourmalines. Acta Crystallographica: B25: 1524-1533.

Tippe, A. and Hamilton, W.C. (1971) A neutron diffraction study of the ferric tourmaline, buergerite. American Mineralogist: 56: 101-113.

Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

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.

Cook, R.B. (2013) Connoisseur's Choice: Buergerite (Fluor-buergerite) Mexquitic, San Luis Potosi, Mexico. Rocks & Minerals, 88, #5, 442-446.

Internet Links for Fluor-buergerite

Localities for Fluor-buergerite

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
 
  • Minas Gerais
    • Jequitinhonha Valley
      • Coronel Murta
        • Barra de Salinas
erroneously reported [MinRec 33:209]
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Zruč nad Sázavou (Srutsch an der Sasau)
Stanek, J., Schnorrer, G., (1993): Phenakit und Buergerit aus dem Skarnsteinbruch Vlastejovice bei Zruc nad Sazavou in Böhmen, Der Aufschluss, Vol. 44, 161-164
Mexico
 
  • San Luis Potosí
Amer.Min.(1966) 51, 198-199
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Świeradów Zdrój area
      • Garby Izerskie Mts
Długoszewska A. 2005: Minerals from pegmatoids of the northern part of the Karkonosze Massif cover. Mineralogical Society of Poland - Special Papers, vol. 26, 153-156
Sri Lanka
 
  • Sabaragamuwa Province
    • Ratnapura District
      • Ratnapura
Ceylon Aluvial Mine, (Book, Co. 2002)
Mineral and/or Locality  
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