Balyakinite Mineral Data

General Balyakinite Information

Chemical Formula:

CuTeO3

Composition:

Molecular Weight = 239.14 gm

Copper 26.57 % Cu 33.26 % CuO

Tellurium 53.36 % Te 66.74 % TeO₂

Oxygen 20.07 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Cu(TeO₃)

Environment:

Oxidation zone as an alteration product of Cu-Te sulfides.

IMA Status:

Approved IMA 1980

Locality:

Pionersk deposit, eastern Sayan, and the Aginsk gold telluride deposit, Kamchatka, Far Eastern Region., Russia. Link to MinDat.org Location Data.

Name Origin:

Named for Tat�yana Stepanovna Balyakina (1906-1986), Geology Instructor, Moscow University, Moscow, Russia.

Name Pronunciation:

Balyakinite + Pronunciation

Synonym:

ICSD 14168

PDF 22-1092

Balyakinite Crystallography

Axial Ratios:

a:b:c =1.3036:1:2.1766

Cell Dimensions:

a = 7.6, b = 5.83, c = 12.69, Z = 8; V = 562.27 Den(Calc)= 5.65

Crystal System:

Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pmcn

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.85(1), 2.84(0.8), 3.09(0.5),

Physical Properties of Balyakinite

Cleavage:

None

Color:

Blue green, Gray green.

Density:

5.64

Hardness:

3.5 - Copper Penny

Streak:

light blue green

Optical Properties of Balyakinite

Gladstone-Dale:

CI meas= -0.088 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.086 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2071,KPDmeas= 0.2074,KC= 0.1907
Ncalc = 2.08

Optical Data:

Biaxial (-), a=2.11, b=2.18, g=2.22, bire=0.1100, 2V(Calc)=72, 2V(Meas)=80.

Calculated Properties of Balyakinite

Electron Density:

Bulk Density (Electron Density)=4.96 gm/cc
note: Specific Gravity of Balyakinite =5.65 gm/cc.

Fermion Index:

Fermion Index = 0.04
Boson Index = 0.96

Photoelectric:

PE_Balyakinite= 199.17 barns/electron
U=PE_Balyakinite x rElectron Density= 988.16 barns/cc.

Radioactivity:

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

Balyakinite Classification

Dana Class:

34.01.03.01 (34)Selenites - Tellurites - Sulfites

(34.01)as A++ XO3

(34.01.03)Dana Group

34.01.03.01 Balyakinite CuTeO3 Pmcn 2/m 2/m 2/m

Strunz Class:

04.JK.15 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.15 Balyakinite CuTeO3 Pmcn 2/m 2/m 2/m

Other Balyakinite Information

References:

NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Balyakinite :
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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Balyakinite

CuTeO3
Dana No: 34.01.03.01 Strunz No: 04.JK.15
Locality:

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