Balyakinite Mineral Data

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)

IMA Status:

Approved IMA 1980

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 14168

PDF 22-1092

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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 - DipyramidalH-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),

Crystal Structure:

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Lindqvist O , Acta Chemica Scandinavica , 25 (1971) p.740-740, On the crystal structures of CuTeO3 and CuTe2O5, Locality: synthetic

View Additional jPOWD Structure files for Balyakinite
[1]

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

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:

r_electron=4.96 gm/cc
note: r_Balyakinite=5.65 gm/cc.

Fermion Index

Fermion Index = 0.04272
Boson Index = 0.95728

Photoelectric:

PE_Balyakinite= 199.17 barns/electron
U=PE_Balyakinite x r_electron= 988.16 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Balyakinite is Not Radioactive

Balyakinite Classification

Dana Class:

34.1.3.1 (34)Selenites - Tellurites - Sulfites

(34.1)as A++ XO3

(34.1.3)Dana Group

34.1.3.1 Balyakinite CuTeO3 Pmcn 2/m 2/m 2/m

Strunz Class:

IV/K.02-10 IV - Oxides

IV/K - Sulfides, selenides, tellurides with [XO3]2- groups and related structures

IV/K.02 - Balyakinite - Plumbotellurite series

IV/K.02-10 Balyakinite CuTeO3 Pmcn 2/m 2/m 2/m

IV/K.02-20 Magnolite Hg2TeO3 Pbm2 mm2

IV/K.02-30 Fairbankite PbTeO3 P1 1

IV/K.02-40 Plumbotellurite PbTeO3 Unk Ortho

Other Balyakinite Information

References:

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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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

Balyakinite

CuTeO3
Dana No: 34.1.3.1 Strunz No: IV/K.02-10
Locality:

Notes: