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Fairbankite

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Nathaniel K. Fairbank
Formula:
Pb(TeO3)
System:
Triclinic
Hardness:
2
Name:
Named for Nathaniel Kellogg Fairbank (1829-1903), an important figure in the early development of Tombstone. It was he who organized the company that developed the Grand Central lode, the type locality.
Dimorph of:
Not to be confused with the discredited Fairbanksite.

Classification of Fairbankite

Approved 1979
4.JK.50

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
K : Tellurites without additional anions, without H2O
Dana 7th ed.:
34.1.2.1
34.1.2.1

34 : SELENITES, TELLURITES AND SULFITES
1 : A(XO3)
28.3.13

28 : Selenites, Selenates, Tellurites, and Tellurates
3 : Tellurites
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Type Occurrence of Fairbankite

Year of Discovery:
1979

Physical Properties of Fairbankite

Hardness (Mohs):
2

Crystallography of Fairbankite

Crystal System:
Triclinic
Cell Parameters:
a = 7.81Å, b = 7.11Å, c = 6.96Å
α = 117.2°, β = 93.78°, γ = 93.4°
Ratio:
a:b:c = 1.098 : 1 : 0.979

Optical Data of Fairbankite

Type:
Biaxial
RI values:
nα = 2.290 nβ = 2.310 nγ = 2.330
2V:
Measured: 86° , Calculated: 88°
Max Birefringence:
δ = 0.040
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
strong

Chemical Properties of Fairbankite

Formula:
Pb(TeO3)
Essential elements:
All elements listed in formula:

Relationship of Fairbankite to other Species

4.JK.05WinstanleyiteTiTe34+O8
4.JK.05Walfordite(Fe3+,Te6+)Te34+O8
4.JK.10Spiroffite(Mn,Zn)2Te34+O8
4.JK.10ZincospiroffiteZn2Te34+O8
4.JK.15BalyakiniteCu(TeO3)
4.JK.20RajiteCu(Te24+O5)
4.JK.25CarlfriesiteCaTe24+Te6+O8
4.JK.30Denningite(Mn2+,Ca,Zn)Te24+O5
4.JK.35ChekhovichiteBi2Te44+O11
4.JK.40SmirniteBi2Te4+O5
4.JK.45Choloalite(Cu,Sb)3(Pb,Ca)3(TeO3)6Cl
4.JK.55PlumbotelluritePb(TeO3)
4.JK.60Magnolite(Hg2+)(Te4+O3)
4.JK.65MoctezumitePb(UO2)(TeO3)2
4.JK.70Schmitterite(UO2)(TeO3)
4.JK.75Cliffordite(UO2)Te34+O7
28.3.1BalyakiniteCu(TeO3)
28.3.2RajiteCu(Te24+O5)
28.3.3GraemiteCu[TeO3] · H2O
28.3.4TeineiteCu[TeO3] · 2H2O
28.3.5CesbroniteCu5(TeO3)2(OH)6 · 2H2O
28.3.6MroseiteCaTe4+(CO3)O2
28.3.7QuetzalcoatliteZn6Cu3(TeO6)2(OH)6 · AgxPbyClx+2y
28.3.8ZemanniteMg(ZnFe)2(TeO3)6·9H2O
28.3.9Kinichilite(Fe,Mg,Zn)2(TeO3)3(NaxH2-x) · 3H2O
28.3.10Denningite(Mn2+,Ca,Zn)Te24+O5
28.3.11Spiroffite(Mn,Zn)2Te34+O8
28.3.12WinstanleyiteTiTe34+O8
28.3.14PlumbotelluritePb(TeO3)
28.3.15Choloalite(Cu,Sb)3(Pb,Ca)3(TeO3)6Cl
28.3.16SmirniteBi2Te4+O5
28.3.17ChekhovichiteBi2Te44+O11
28.3.18Cliffordite(UO2)Te34+O7
28.3.19Schmitterite(UO2)(TeO3)
28.3.20MoctezumitePb(UO2)(TeO3)2
28.3.21EmmonsiteFe23+[TeO3]3 · 2H2O
28.3.22BlakeiteFe23+[TeO3]3 (?)
28.3.23MackayiteFe3+(Te24+O5)(OH)
28.3.24PoughiteFe23+(TeO3)2(SO4)(H2O)2 · H2O
28.3.25SonoraiteFe3+(TeO3)(OH) · H2O
28.3.26RodalquilariteFe2(TeO2OH)3(TeO3)Cl
28.3.27EztlitePb2Fe63+(Te4+O3)3(Te6+O6)(OH)10 · 8H2O
28.3.28Keystoneite(Ni,Mg,Fe,Mn)3Te3O9 · 5H2O

Other Names for Fairbankite

Name in Other Languages:
German:Fairbankit
Spanish:Fairbankita

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 Fairbankite

Reference List:
Williams, S.A. (1979): Girdite, oboyerite, fairbankite, and winstanleyite, four new tellurium minerals from Tombstone, AZ. Mineralogical Magazine, 43, 453-457.

American Mineralogist: 65: 809.

Internet Links for Fairbankite

Localities for Fairbankite

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.
USA (TL)
 
  • Arizona
    • Cochise Co.
      • Tombstone Hills
        • Tombstone District
          • Contention-Grand Central Mine group
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 218; Williams, S.A. (1979), Girdite, oboyerite, fairbankite, and winstanleyite, four new tellurium minerals from Tombstone, AZ, Min.Mag.: 43: 453-457.
  • California
    • San Bernardino Co.
      • Baker
        • Otto Mountain
Robert M. Housley (2005) Recent rare mineral finds in southern California and Nevada desert mines. Abstracts from the 2005 Desert Symposium. California State University, Desert Studies Consortium and LSA Associates, Inc.
Mineral and/or Locality  
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