Plumbotellurite Mineral Data

General Plumbotellurite Information

Chemical Formula:

PbTe++++O3

Composition:

Molecular Weight = 382.80 gm

Tellurium 33.33 % Te 41.69 % TeO₂

Lead 54.13 % Pb 58.31 % PbO

Oxygen 12.54 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Pb(TeO₃)

Environment:

Pseudomorphous after altaite. Dimorphous with fairbankite.

IMA Status:

Approved IMA 1982

Locality:

Zhana-Tyube deposit, northern Kazakhstan. Link to MinDat.org Location Data.

Name Origin:

Named for the composition (Pb, Te).

Name Pronunciation:

Plumbotellurite + Pronunciation

Synonym:

Dunhamite - plumbotellurite (?)

Plumbotellurite Crystallography

Axial Ratios:

a:b:c =0.613:1:0.6695

Cell Dimensions:

a = 8.423, b = 13.739, c = 9.199, Z = 12; V = 1,064.54 Den(Calc)= 7.16

Crystal System:

Orthorhombic Space Group: Unk

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

By Intensity(I/I_o): 3.17(1), 3.099(0.35), 3.21(0.32),

Physical Properties of Plumbotellurite

Cleavage:

None

Color:

Brown, Gray, Gray brown, Yellow gray.

Density:

7.2

Habit:

Pseudomorphous - Occurs in the form of another mineral.

Hardness:

2 - Gypsum

Streak:

yellow gray

Optical Properties of Plumbotellurite

Gladstone-Dale:

CI meas= -0.082 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.088 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1755,KPDmeas= 0.1745,KC= 0.1614
Ncalc = 2.16

Optical Data:

Biaxial (+), a=2.19, b=2.23, g=2.35, bire=0.1600, 2V(Calc)=64, 2V(Meas)=50.

Calculated Properties of Plumbotellurite

Electron Density:

Bulk Density (Electron Density)=5.94 gm/cc
note: Specific Gravity of Plumbotellurite =7.20 gm/cc.

Fermion Index:

Fermion Index = 0.14
Boson Index = 0.86

Photoelectric:

PE_{Plumbotellurite}=1,130.45 barns/electron
U=PE_{Plumbotellurite} x rElectron Density=6,718.93 barns/cc.

Radioactivity:

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

Plumbotellurite Classification

Dana Class:

34.01.04.01 (34)Selenites - Tellurites - Sulfites

(34.01)as A++ XO3

(34.01.04)Dana Group

34.01.04.01 Plumbotellurite PbTeO3 Unk Ortho

Strunz Class:

04.JK.55 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.55 Plumbotellurite PbTeO3 Unk Ortho

Other Plumbotellurite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Plumbotellurite :
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 Plumbotellurite Specimen Label here :

Plumbotellurite

PbTe++++O3
Dana No: 34.01.04.01 Strunz No: 04.JK.55
Locality:

Notes:

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