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Quetzalcoatlite

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Formula:
Zn
 
6
Cu
 
3
(TeO
 
6
)
 
2
(OH)
 
6
· Ag
 
x
Pb
 
y
Cl
 
x+2y
System:TrigonalColour:Blue
Hardness:3
Name:
Named after Quetzalcoatl, the Toltec and Aztec god of the sea. In allusion to it's color.


May be confused with tlalocite.

Classification of Quetzalcoatlite

IMA status:Approved
Strunz 8th edition ID:4/K.10-40
Nickel-Strunz 10th (pending) edition ID:4.FE.45

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
E : Hydroxides with OH, without H2O; sheets of edge-sharing octahedra
Dana 8th edition ID:34.6.3.1

34 : SELENITES, TELLURITES AND SULFITES
6 : Anhydrous Selenites, Tellurites and Sulfites containing Hydroxyl or Halogen
Hey's CIM Ref.:28.3.7

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

Type Locality:Bambollita Mine (Oriental Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Place of Conservation of Type Material:Smithsonian 135055
Year of Discovery:1973
Geological Setting of type material:Oxidation zone of tellurium bearing hydrothermal deposit.

Occurrences of Quetzalcoatlite

Geological Setting:Oxidation zone of tellurium bearing hydrothermal deposit.

Physical Properties of Quetzalcoatlite

Lustre:Pearly, Dull
Diaphaneity (Transparency):Transparent
Colour:Blue
Streak:Pale blue, almost white
Hardness (Mohs):3
Tenacity:Brittle
Cleavage:Imperfect/Fair
fair on {1010}
Density (measured):6.05(30) g/cm3
Density (calculated):4.82 g/cm3

Crystallography of Quetzalcoatlite

Crystal System:Trigonal
Class (H-M):3m (3 2/m) - Hexagonal Scalenohedral
Space Group:P3m1 {P3 2/m 1}
Cell Parameters:a = 10.145(1) Å, c = 4.9925(9) Å
Ratio:a:c = 1 : 0.492
Unit Cell Volume:V 445 ų
Z:1
Morphology:Needle-like hexagonal crystals, sprays, crystalline crusts.

Optical Data of Quetzalcoatlite

Type:Uniaxial (-)
RI values: nω = 1.802 nε = 1.740
Maximum Birefringence:δ = 0.062

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Optical Extinction:Parallel - length fast
Pleochroism:Visible
Comments:O - blue-green
E - almost colorles

Chemical Properties of Quetzalcoatlite

Formula:
Zn
 
6
Cu
 
3
(TeO
 
6
)
 
2
(OH)
 
6
· Ag
 
x
Pb
 
y
Cl
 
x+2y
Simplified for copy/paste:Zn6Cu3(TeO6)2(OH)6·AgxPbyClx+2y
Essential elements:Ag, Cl, Cu, H, O, Pb, Te, Zn
All elements listed in formula:Ag, Cl, Cu, H, O, Pb, Te, Zn

Relationship of Quetzalcoatlite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.FE.05Amakinite
(Fe
2+
 
,Mg)(OH)
 
2
4.FE.05Brucite
Mg(OH)
 
2
4.FE.05Portlandite
Ca(OH)
 
2
4.FE.05Pyrochroite
Mn(OH)
 
2
4.FE.05Theophrastite
Ni(OH)
 
2
4.FE.10Bayerite
Al(OH)
 
3
4.FE.10Doyleite
Al(OH)
 
3
4.FE.10Gibbsite
Al(OH)
 
3
4.FE.10Nordstrandite
Al(OH)
 
3
4.FE.15Böhmite
AlO(OH)
4.FE.15Lepidocrocite
γ-Fe
3+
 
O(OH)
4.FE.20Grimaldiite
CrO(OH)
4.FE.20Heterogenite
CoO(OH)
4.FE.25Feitknechtite
Mn
3+
 
O(OH)
4.FE.25Lithiophorite
(Al,Li)MnO
 
2
(OH)
 
2
4.FE.30Quenselite
PbMnO
 
2
(OH)
4.FE.35Ferrihydrite
Fe
3+
5
O
 
3
(OH)
 
9
4.FE.40Feroxyhyte
Fe
3+
 
O(OH)
4.FE.40Vernadite
(Mn
4+
 
,Fe
3+
 
,Ca,Na)(O,OH)
 
2
· nH
 
2
O
Related Minerals - Hey's Index Grouping:

- +
28.3.1Balyakinite
Cu(TeO
 
3
)
28.3.2Rajite
Cu(Te
4+
2
O
 
5
)
28.3.3Graemite
Cu[TeO
 
3
] · H
 
2
O
28.3.4Teineite
Cu[TeO
 
3
] · 2H
 
2
O
28.3.5Cesbronite
Cu
 
5
(TeO
 
3
)
 
2
(OH)
 
6
· 2H
 
2
O
28.3.6Mroseite
CaTe
4+
 
(CO
 
3
)O
 
2
28.3.8Zemannite
Mg(ZnFe)
 
2
(TeO
 
3
)
 
6
·9H
 
2
O
28.3.9Kinichilite
(Fe,Mg,Zn)
 
2
(TeO
 
3
)
 
3
(Na
 
x
H
 
2-x
) · 3H
 
2
O
28.3.10Denningite
(Mn
2+
 
,Ca,Zn)Te
4+
2
O
 
5
28.3.11Spiroffite
(Mn,Zn)
 
2
Te
4+
3
O
 
8
28.3.12Winstanleyite
TiTe
4+
3
O
 
8
28.3.13Fairbankite
Pb(TeO
 
3
)
28.3.14Plumbotellurite
Pb(TeO
 
3
)
28.3.15Choloalite
(Cu,Sb)
 
3
(Pb,Ca)
 
3
(TeO
 
3
)
 
6
Cl
28.3.16Smirnite
Bi
 
2
Te
4+
 
O
 
5
28.3.17Chekhovichite
Bi
 
2
Te
4+
4
O
 
11
28.3.18Cliffordite
(UO
 
2
)Te
4+
3
O
 
7
28.3.19Schmitterite
(UO
 
2
)(TeO
 
3
)
28.3.20Moctezumite
Pb(UO
 
2
)(TeO
 
3
)
 
2
28.3.21Emmonsite
Fe
3+
2
[TeO
 
3
]
 
3
· 2H
 
2
O
28.3.22Blakeite
Fe
3+
2
[TeO
 
3
]
 
3
(?)
28.3.23Mackayite
Fe
3+
 
(Te
4+
2
O
 
5
)(OH)
28.3.24Poughite
Fe
3+
2
(TeO
 
3
)
 
2
(SO
 
4
)(H
 
2
O)
 
2
· H
 
2
O
28.3.25Sonoraite
Fe
3+
 
(TeO
 
3
)(OH) · H
 
2
O
28.3.26Rodalquilarite
Fe
 
2
(TeO
 
2
OH)
 
3
(TeO
 
3
)Cl
28.3.27Eztlite
Pb
 
2
Fe
3+
6
(Te
4+
 
O
 
3
)
 
3
(Te
6+
 
O
 
6
)(OH)
 
10
· 8H
 
2
O
28.3.28Keystoneite
(Ni,Mg,Fe,Mn)
 
3
Te
 
3
O
 
9
· 5H
 
2
O

Other Names for Quetzalcoatlite

Synonyms:
IMA1973-010
Other Languages:
German:Quetzalcoatlit
Russian:Кецалькоатлит
Spanish:Quetzalcoatlita

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 Quetzalcoatlite

Reference List:

- +
American Mineralogist (1974): 59: 874.

Burns, P.C., Pluth, J.J., Smith, J.V., Eng, P., Steele, I., and Houseley, R.M. (2000) Quetzalcoatlite: a new octahedral-tetrahedral structure from a 2 x 2 x 40 um3 crystal at the Advanced Photon Source-GSE-CARS facility. American Mineralogist 85: 604-607.

Mineralogical Magazine: 39: 261-263.

Internet Links for Quetzalcoatlite

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Quetzalcoatlite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
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  • Localities for Quetzalcoatlite

    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.
    Mexico
     
    • Sonora
      • Mun. de Moctezuma
    Min.Mag.(1973) 39, 261-263; Panczner(1987):136-399.
    USA
     
    • Arizona
      • Cochise Co.
        • Tombstone Hills
          • Tombstone District
    Brent Thorne
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 350; Williams, S.A. (1978), Khinite, parakhinite, and dugganite, three new tellurates from Tombstone, AZ, Am.Min.: 63: 1016-1019.; American Mineralogist, Volume 94, pages 648–652, 2009
    • California
      • San Bernardino Co.
        • Soda Lake Mts
          • Baker
    American Mineralogist (2000): 85: 604, 607; Lapis 33 (4) (2008) 12; American Mineralogist, Volume 94, pages 1198–1204, 2009
    • Utah
      • Juab Co.
        • East Tintic Mts
          • Tintic District
    [MinRec 27:464]
      • Utah Co.
        • East Tintic Mts
          • East Tintic District
    SEM EDS confirmed by Rob Bowell.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands 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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