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Eztlite

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Moctezuma, Mun. de Moctezuma, Sonora, Mexico
© Thomas Witzke

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Formula:
Pb
 
2
Fe
3+
6
(Te
4+
 
O
 
3
)
 
3
(Te
6+
 
O
 
6
)(OH)
 
10
 · 8H
 
2
O
System:MonoclinicColour:Brilliant red
Hardness:3
Name:From the Nahua language for blood, in allusion to the color.
This page provides mineralogical data about Eztlite.

Classification of Eztlite

IMA status:Approved
Strunz 8th edition ID:4/K.19-30
Nickel-Strunz 10th (pending) edition ID:4.JN.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
N : Tellurites with additional anions, with H2O
Dana 8th edition ID:34.8.5.1

34 : SELENITES, TELLURITES AND SULFITES
8 : Compound Selenites, Tellurites and Sulfites
Hey's CIM Ref.:28.3.27

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

Type Locality:Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Year of Discovery:1982
Geological Setting of type material:Oxidized zone.

Physical Properties of Eztlite

Diaphaneity (Transparency):Translucent
Colour:Brilliant red
Streak:Orange
Hardness (Mohs):3
Tenacity:Very brittle
Cleavage:Distinct/Good
Probable {001}
Density (measured):4.5 g/cm3
Density (calculated):4.6 g/cm3

Crystallography of Eztlite

Crystal System:Monoclinic
Cell Parameters:a = 6.58Å, b = 9.68Å, c = 20.52Å
β = 90.25°
Ratio:a:b:c = 0.68 : 1 : 2.12
Unit Cell Volume:V 1,307.00 ų (Calculated from Unit Cell)
Z:2
Morphology:Paper thin sparkling crusts

Optical Data of Eztlite

Type:Biaxial
RI values: nα = 2.140 nγ = 2.150
Maximum Birefringence:δ = 0.010

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:strong

Chemical Properties of Eztlite

Formula:
Pb
 
2
Fe
3+
6
(Te
4+
 
O
 
3
)
 
3
(Te
6+
 
O
 
6
)(OH)
 
10
 · 8H
 
2
O
Essential elements:Fe, H, O, Pb, Te
All elements listed in formula:Fe, H, O, Pb, Te

Relationship of Eztlite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.JN.05Sonoraite
Fe
3+
 
(TeO
 
3
)(OH) · H
 
2
O
4.JN.10Poughite
Fe
3+
2
(TeO
 
3
)
 
2
(SO
 
4
)(H
 
2
O)
 
2
 · H
 
2
O
4.JN.15Cesbronite
Cu
 
5
(TeO
 
3
)
 
2
(OH)
 
6
 · 2H
 
2
O
4.JN.25Oboyerite
H
 
6
(Pb,Ca)
 
6
(Te
4+
 
O
 
3
)
 
3
(Te
6+
 
O
 
6
)
 
2
 · 2H
 
2
O
4.JN.30Juabite
CaCu
 
10
(TeO
 
3
)
 
4
(AsO
 
4
)
 
4
(OH)
 
2
 · 4H
 
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
28.3.7Quetzalcoatlite
Zn
 
6
Cu
 
3
(TeO
 
6
)
 
2
(OH)
 
6
 · Ag
 
x
Pb
 
y
Cl
 
x+2y
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
28.3.28Keystoneite
(Ni,Mg,Fe,Mn)
 
3
Te
 
3
O
 
9
 · 5H
 
2
O

Other Names for Eztlite

Synonyms:
IMA1980-072
Other Languages:
German:Eztlit
Spanish:Eztlita

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 Eztlite

Reference List:

- +
Williams, S. A. (1982): Cuzticite and eztlite, two new tellurium minerals from Moctezuma, Mexico. Mineralogical Magazine, 46, 257-259.

American Mineralogist: 68: 471.

Internet Links for Eztlite

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

    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.
    Mexico
     
    • Sonora
      • Mun. de Moctezuma
    Min Mag 46 (1982), 257; Panczner(1987):108-336.
    USA
     
    • California
      • San Bernardino Co.
        • Baker
    		Joe Marty, Anthony Kampf, Robert Housley, Stuart Mills, Stefan Weiss (2010) Seltene neue Tellurmineralien aus Kalifornien, Utah, Arizona und New Mexico (USA). Lapis, 35, #12, 42-51.
    Collected by and in the collection of Brent Thorne.
    Mineral and/or Locality
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