Graemite Mineral Data

Graemite Mineral Data
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General Graemite Information

Help on Chemical Formula: Chemical Formula: CuTeO3•(H2O)
Help on Composition: Composition: Molecular Weight = 257.16 gm
   Copper     24.71 %  Cu   30.93 % CuO
   Tellurium  49.62 %  Te   62.06 % TeO2
   Hydrogen    0.78 %  H     7.01 % H2O
   Oxygen     24.89 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu(TeO3)•(H2O)
Help on IMA Status: IMA Status: Approved IMA 1975
Help on Locality: Locality: Cole Shaft, Bisbee, Cochise County, Arizona, USA Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Richard Graeme, American geologist.
Help on Name Pronunciation: Name Pronunciation: Graemite Say GRAEMITE
 

Graemite Image

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Graemite

Comments: Blue, massive graemite on quartz.
Location: Moctezuma, Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 5.5 mm.
© Thomas Witzke / Abraxas-Verlag

Graemite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.2656:1:0.2256
Help on Cell Dimensions: Cell Dimensions: a = 6.805, b = 25.613, c = 5.78, Z = 10; V = 1,007.43 Den(Calc)= 4.24
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pcmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 6.395(1), 3.434(0.8), 12.803(0.5),
 

Physical Properties of Graemite

Help on Cleavage: Cleavage: {010} Good
Help on Color: Color: Blue green, Green.
Help on Density: Density: 4.13
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 3-3.5 - Calcite-Copper Penny
 

Optical Properties of Graemite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.236 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.204 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2421,KPDmeas= 0.2486,KC= 0.2011
Ncalc = 1.83 - 1.85
Help on Optical Data: Optical Data: Biaxial (+), a=1.92, b=1.96, g=2.2, bire=0.2800, 2V(Calc)=50, 2V(Meas)=48.5.
 

Calculated Properties of Graemite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.79 gm/cc
note: Specific Gravity of Graemite =4.24 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEGraemite = 181.88 barns/electron
U=PEGraemite x rElectron Density= 689.72 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Graemite is Not Radioactive
 

Graemite Classification
Help on Dana Class: Dana Class: 34.02.01.01 (34)Selenites - Tellurites - Sulfites
  (34.02)as A++ XO3 · x(H2O)
  (34.02.01)Dana Group
 
34.02.01.01 Graemite CuTeO3•(H2O) Pcmm 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 04.JM.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JM -Tellurites without additional anions, with H2O
 
04.JM.15 Graemite CuTeO3•(H2O) Pcmm 2/m 2/m 2/m
 

Other Graemite Information
Help on References: References: PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Graemite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

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Ask about Graemite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
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Rockhounds Discussion Group on Yahoo Groups
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Print or Cut-and-Paste your Graemite Specimen Label here :

Graemite

CuTeO3•(H2O)
Dana No: 34.02.01.01 Strunz No: 04.JM.15
Locality:

 

Notes: