Rajite Mineral Data

General Rajite Information

Chemical Formula:

CuTe++++2O5

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

Empirical Formula:

CuTe₂O₅

Environment:

Rhyolite.

IMA Status:

Approved IMA 1979

Locality:

Lone Pine, Catron County, New Mexico. Link to MinDat.org Location Data.

Name Origin:

Named after Robert Allen Jenkins (RAJ-ite), a mineralogist who first recognized the species.

Name Pronunciation:

Rajite

Synonym:

ICSD 2542

PDF 33-494

Rajite Image

Images:

Rajite

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

Axial Ratios:

a:b:c =0.7371:1:0.8157

Cell Dimensions:

a = 6.866, b = 9.314, c = 7.598, Z = 4; beta = 109.1° V = 459.14 Den(Calc)= 5.77

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/I_o): 3.064(1), 3.348(0.8), 4.654(0.8),

Physical Properties of Rajite

Cleavage:

{010} Indistinct, {001} Indistinct

Color:

Green.

Density:

5.75

Habit:

Crystalline - Fine - Occurs as well-formed fine sized crystals.

Hardness:

4 - Fluorite

Optical Properties of Rajite

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

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

Electron Density:

Bulk Density (Electron Density)=5.01 gm/cc
note: Specific Gravity of Rajite =5.77 gm/cc.

Fermion Index:

Fermion Index = 0.05
Boson Index = 0.95

Photoelectric:

PE_Rajite= 234.04 barns/electron
U=PE_Rajite x rElectron Density=1,171.76 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rajite is Not Radioactive

Rajite Classification

Dana Class:

34.04.02.01 (34)Selenites - Tellurites - Sulfites

(34.04)Dana Type

(34.04.02)Dana Group

34.04.02.01 Rajite CuTe2O5 P 2₁/c 2/m

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

References:

NAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

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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Print or Cut-and-Paste your Rajite Specimen Label here :

Rajite

CuTe++++2O5
Dana No: 34.04.02.01 Strunz No: 04.JK.20
Locality:

Notes:

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