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Graemite

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Formula:
Cu[TeO3] · H2O
System:
Orthorhombic
Colour:
Blue-green
Hardness:
3 - 3½
Name:
For US geologist Richard (Dick) Graeme III (1941-) who discovered the mineral in Bisbee.
This page provides mineralogical data about Graemite.

Classification of Graemite

Approved
Approval Year:
1974
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 ed.:
34.2.1.1
34.2.1.1

34 : SELENITES, TELLURITES AND SULFITES
2 : A(XO3)·xH2O
28.3.3

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

General Appearance of Type Material:
divergent platy, bladed crystals
Place of Conservation of Type Material:
University of Arizona collection.
Geological Setting of Type Material:
oxidation of hypogene ore deposit
Associated Minerals at Type Locality:

Physical Properties of Graemite

Colour:
Blue-green
Hardness (Mohs):
3 - 3½
Tenacity:
Brittle
Cleavage:
Distinct/Good
good on {010}
Parting:
good on (100)
Density:
4.13(9) g/cm3 (Measured)    

Crystallography of Graemite

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pmma
Cell Parameters:
a = 6.805(6) Å, b = 25.613(15) Å, c = 5.780(6) Å
Ratio:
a:b:c = 0.266 : 1 : 0.226
Unit Cell Volume:
V 1,007.43 ų (Calculated from Unit Cell)
Z:
10
X-Ray Powder Diffraction Data:
d-spacingIntensity
6.395 (10)
3.434 (8)
12.803 (5)
2.558 (5)
2.873 (4)
2.343 (4)
5.640 (3)
2.801 (3)

Optical Data of Graemite

Type:
Biaxial (+)
RI values:
nα = 1.920(3) nβ = 1.960(3) nγ = 2.200(5)
2V:
Measured: 48° , Calculated: 50°
Max Birefringence:
δ = 0.280
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v strong
Pleochroism:
Visible
Comments:
Z and Y blue green, X yellowish green;

Chemical Properties of Graemite

Formula:
Cu[TeO3] · H2O
All elements listed in formula:

Relationship of Graemite to other Species

4.JM.05KeystoneiteMg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2O
4.JM.05KinichiliteMg0.5Mn2+Fe3+(Te4+O3)3 · 4.5H2O
4.JM.05ZemanniteMg0.5ZnFe3+(Te4+O3)3 · 4.5H2O
4.JM.10BlakeiteFe23+[TeO3]3 (?)
4.JM.10EmmonsiteFe23+(TeO3)3 · 2H2O
4.JM.20TeineiteCu2+(Te4+O3) · 2H2O
28.3.1BalyakiniteCu(TeO3)
28.3.2RajiteCu(Te24+O5)
28.3.4TeineiteCu2+(Te4+O3) · 2H2O
28.3.5CesbroniteCu5(TeO3)2(OH)6 · 2H2O
28.3.6MroseiteCaTe4+(CO3)O2
28.3.7QuetzalcoatliteZn6Cu3(TeO6)2(OH)6 · AgxPbyClx+2y
28.3.8ZemanniteMg0.5ZnFe3+(Te4+O3)3 · 4.5H2O
28.3.9KinichiliteMg0.5Mn2+Fe3+(Te4+O3)3 · 4.5H2O
28.3.10Denningite(Mn2+,Ca,Zn)Te24+O5
28.3.11SpiroffiteMn22+Te34+O8
28.3.12WinstanleyiteTiTe34+O8
28.3.13FairbankitePb(TeO3)
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
28.3.28KeystoneiteMg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2O

Other Names for Graemite

Name in Other Languages:
German:Graemit
Spanish:Graemita

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 Graemite

Reference List:
Williams S A, Matter P (1975) Graemite a new Bisbee mineral. The Mineralogical Record 6, 32-34

Fleischer M, Chao G Y, Kato A (1975) New mineral names. American Mineralogist: 60: 486.

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

Internet Links for Graemite

Localities for Graemite

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.
Belgium
 
  • Luxembourg Province
    • Stavelot Massif
      • Vielsalm
José Dehove collection
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 Bowell.
Mineral and/or Locality  
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