Mineralogy Database

Rajite Mineral Data

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General Rajite Information

Help on Chemical  Formula: Chemical Formula: CuTe++++2O5
Help on Composition: Composition: Molecular Weight = 398.74 gm
   Copper     15.94 %  Cu   19.95 % CuO
   Tellurium  64.00 %  Te   80.05 % TeO2
   Oxygen     20.06 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CuTe2O5
Help on Environment: Environment: Rhyolite.
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Lone Pine, Catron County, New Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Robert Allen Jenkins (RAJ-ite), a mineralogist who first recognized the species.
Help on Name Pronunciation: Name Pronunciation: Rajite Say RAJITE
Help on Synonym: Synonym: ICSD 2542
  PDF 33-494

Rajite Image

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Comments: Bluish green coating of rajite on matrix.
Location: Lone Pine mine, Catron Co., New Mexico, USA. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Rajite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.7371:1:0.8157
Help on Cell Dimensions: Cell Dimensions: a = 6.866, b = 9.314, c = 7.598, Z = 4; beta = 109.1° V = 459.14 Den(Calc)= 5.77
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.064(1), 3.348(0.8), 4.654(0.8),

Physical Properties of Rajite

Help on Cleavage: Cleavage: {010} Indistinct, {001} Indistinct
Help on Color: Color: Green.
Help on Density: Density: 5.75
Help on Habit: Habit: Crystalline - Fine - Occurs as well-formed fine sized crystals.
Help on Hardness: Hardness: 4 - Fluorite

Optical Properties of Rajite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.044 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.041 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2028,KPDmeas= 0.2035,KC= 0.1948
Ncalc = 2.12
Help on Optical Data: Optical Data: Biaxial (+), a=2.115, b=2.135, g=2.26, bire=0.1450, 2V(Calc)=46, 2V(Meas)=40.

Calculated Properties of Rajite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.01 gm/cc
note: Specific Gravity of Rajite =5.77 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PERajite = 234.04 barns/electron
U=PERajite x rElectron Density=1,171.76 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rajite is Not Radioactive

Rajite Classification

Help on  Dana Class: Dana Class: (34)Selenites - Tellurites - Sulfites
  (34.04)Dana Type
  (34.04.02)Dana Group Rajite CuTe2O5 P 21/c 2/m
Help on  Strunz Class: Strunz Class: 04.JK.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JK -Tellurites without additional anions, without H2O
04.JK.20 Rajite CuTe2O5 P 21/c 2/m

Other Rajite Information

Help on References: References: NAME( MinRec) 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 Rajite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 04.JK.20





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