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Graemite

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

Show Graemite Photos (4)
Formula:
Cu[TeO
 
3
] · H
 
2
O
System:OrthorhombicColour:Blue-green
Hardness:3 - 3½
Name:For US geologist Richard Graeme.
This page provides mineralogical data about Graemite.

Classification of Graemite

IMA status:Approved 1974
Strunz 8th edition ID:4/K.05-20
Nickel-Strunz 10th (pending) edition ID:4.JM.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
M : Tellurites without additional anions, with H2O
Dana 7th edition ID:34.2.1.1
Dana 8th edition ID:34.2.1.1

34 : SELENITES, TELLURITES AND SULFITES
2 : A(XO3)·xH2O
Hey's CIM Ref.:28.3.3

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

Type Locality:Cole Mine (Cole shaft; Cole No. 3), Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA

Physical Properties of Graemite

Colour:Blue-green
Hardness (Mohs):3 - 3½

Crystallography of Graemite

Crystal System:Orthorhombic
Cell Parameters:a = 6.8Å, b = 25.61Å, c = 5.78Å
Ratio:a:b:c = 0.266 : 1 : 0.226
Unit Cell Volume:V 1,006.58 ų (Calculated from Unit Cell)

Optical Data of Graemite

Type:Biaxial (+)
RI values: nα = 1.920 nβ = 1.960 nγ = 2.200
2V:Measured: 48° , Calculated: 50°
Maximum Birefringence:δ = 0.280

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

Chemical Properties of Graemite

Formula:
Cu[TeO
 
3
] · H
 
2
O
Essential elements:Cu, H, O, Te
All elements listed in formula:Cu, H, O, Te

Relationship of Graemite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.JM.05Keystoneite
(Ni,Mg,Fe,Mn)
 
3
Te
 
3
O
 
9
·5H
 
2
O
4.JM.05Kinichilite
(Fe,Mg,Zn)
 
2
(TeO
 
3
)
 
3
(Na
 
x
H
 
2-x
)·3H
 
2
O
4.JM.05Zemannite
(H,Na)
 
2
(Zn,Fe)
 
2
(TeO
 
3
)
 
3
·nH
 
2
O
4.JM.10Blakeite
Fe
3+
2
[TeO
 
3
]
 
3
 (?)
4.JM.10Emmonsite
Fe
3+
2
[TeO
 
3
]
 
3
 · 2H
 
2
O
4.JM.20Teineite
Cu[TeO
 
3
] · 2H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
28.3.1Balyakinite
CuTeO
 
3
28.3.2Rajite
Cu[Te
4+
2
O
 
5
]
28.3.4Teineite
Cu[TeO
 
3
] · 2H
 
2
O
28.3.5Cesbronite
Cu
 
5
[(OH)
 
3
|TeO
 
3
]
 
2
 · 2H
 
2
O
28.3.6Mroseite
CaTeO
 
2
CO
 
3
28.3.7Quetzalcoatlite
Zn
 
6
Cu
 
3
(TeO
 
6
)
 
2
(OH)
 
6
·Ag
 
x
Pb
 
y
Cl
 
x+2y
28.3.8Zemannite
(H,Na)
 
2
(Zn,Fe)
 
2
(TeO
 
3
)
 
3
·nH
 
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
 
3
O
 
8
28.3.12Winstanleyite
TiTe
 
3
O
 
8
28.3.13Fairbankite
PbTeO
 
3
28.3.14Plumbotellurite
PbTeO
 
3
28.3.15Choloalite
PbCu[TeO
 
3
]
 
2
 · H
 
2
O
28.3.16Smirnite
(BiO)
 
2
[TeO
 
3
]
28.3.17Chekhovichite
Bi
 
2
Te
 
4
O
 
11
28.3.18Cliffordite
UTe
 
3
O
 
9
28.3.19Schmitterite
(UO
 
2
)[TeO
 
3
]
28.3.20Moctezumite
PbUO
 
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+
 
[OH|Te
4+
2
O
 
5
]
28.3.24Poughite
Fe
3+
2
[SO
 
4
|(TeO
 
3
)
 
2
] · 3H
 
2
O
28.3.25Sonoraite
Fe
3+
 
[OH|TeO
 
3
] · H
 
2
O
28.3.26Rodalquilarite
H
 
3
Fe
 
2
(TeO
 
3
)
 
4
Cl
28.3.27Eztlite
Pb
 
2
Fe
3+
6
[(OH)
 
10
|(Te
4+
 
O
 
3
)
 
3
|Te
6+
 
O
 
6
] · 8H
 
2
O
28.3.28Keystoneite
(Ni,Mg,Fe,Mn)
 
3
Te
 
3
O
 
9
·5H
 
2
O

Other Names for Graemite

Synonyms:
IMA1974-022
Other Languages:
German:Graemit
Spanish:Graemita

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 Graemite

Reference List:Mineralogical Record: 6: 32-34.

American Mineralogist: 60: 486.

Geological Association of Canada/Mineralogical Association of Canada Final Program and Abstracts: 25: A-66.

Internet Links for Graemite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Graemite in the Natural History Museum (London) online catalogue
  • Graemite details from Handbook of Mineralogy (PDF)
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    Localities for Graemite

    Hide Locality List
    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.
    Belgium
     
    • Luxembourg Province
      • Stavelot Massif
        • Vielsalm
    		http://perso.infonie.be/jose.dehove/photos/Salmchateau.htm
    Mexico
     
    • Sonora
      • Mun. de Moctezuma
    Lapis 2001(1), 11-40
    USA
     
    • Arizona
      • Cochise Co.
        • Mule Mts
          • Warren District
    		[MinRec 24:421]
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 238; Williams, S.A. & P. Matter III (1975), Graemite, a new Bisbee mineral, Min.Rec.: 6: 32-34.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 238; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.
      • La Paz Co.
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 206; Williams, S.A. & P. Matter, III (1975), Graemite, a new Bisbee mineral, Min.Rec.: 6: 32-34.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 238; Williams, S.A. & P. Matter, III (1975), Graemite, a new Bisbee mineral, Min.Rec.: 6:32-34.
    • Utah
      • Utah Co.
        • East Tintic Mts
          • East Tintic District
    		SEM EDS and XRD confirmed by Rob Bowles
    Mineral and/or Locality
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