Paratellurite Mineral Data

Paratellurite Mineral Data +

General Paratellurite Information

Chemical Formula:

TeO2

Composition:

Molecular Weight = 159.60 gm

Tellurium 79.95 % Te 100.00 % TeO₂

Oxygen 20.05 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

TeO₂

Environment:

Oxidized zone of a telluride-bearing ore deposit.

IMA Status:

Approved IMA 1960

Locality:

Bambolla Mine, Moctezuma, Mun. de Moctezuma, Sonora, Mexico Link to MinDat.org Location Data.

Name Origin:

Named for it's dimorphous relationship with tellurite.

Synonym:

ICSD 202792

PDF 42-1365

Paratellurite Image

Images:

Paratellurite

Comments: Light yellow crystals of paratellurite in quartz.
Location: Bambolla Mine, Moctezuma, Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Paratellurite Crystallography

Axial Ratios:

a:c = 1:1.58274

Cell Dimensions:

a = 4.81, c = 7.613, Z = 4; V = 176.14 Den(Calc)= 6.02

Crystal System:

Tetragonal - TrapezohedralH-M Symbol (4 2 2) Space Group: P 4₁2₁2,P 4₃2₁2

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

By Intensity(I/I_o): 2.988(1), 3.404(0.86), 1.873(0.55),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
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Wyckoff R W G , Crystal Structures , 1 (1963) p.239-444, Second edition. Interscience Publishers, New York, New York

Physical Properties of Paratellurite

Color:

Grayish white.

Density:

5.6

Diaphaniety:

Opaque

Hardness:

1 - Talc

Luster:

Resinous

Streak:

white

Optical Properties of Paratellurite

Optical Data:

NCalc= 2.21 - from Gladstone-Dale relationship (KC = 0.201) where Ncalc=Dcalc*KC+1
NCalc= 2.13 - from Gladstone-Dale relationship (KC = 0.201) where Ncalc=Dmeas*KC+1

Calculated Properties of Paratellurite

Electron Density:

r_electron=5.13 gm/cc
note: r_{Paratellurite}=6.02 gm/cc.

Fermion Index

Fermion Index = 0.06397
Boson Index = 0.93603

Photoelectric:

PE_{Paratellurite}= 287.88 barns/electron
U=PE_{Paratellurite} x r_electron=1,476.76 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Paratellurite is Not Radioactive

Paratellurite Classification

Dana Class:

4.4.3.2 (4)Simple Oxides

(4.4)with a cation charge of 4+ (A++++ O2)

(4.4.3)Dana Group

4.4.3.1 Downeyite SeO2 P 4/mbc 4/m 2/m 2/m

4.4.3.2 Paratellurite TeO2 P 4₁2₁2,P 4₃2₁2 4 2 2

Strunz Class:

IV/D.02-50 IV - Oxides

IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds)

IV/D.02 - Rutile group, Rutile - Cassiterite - Platnerite series

IV/D.02-10 Rutile TiO2 P 4/mnm 4/m 2/m 2/m

IV/D.02-20 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m

IV/D.02-30 Squawcreekite? (Fe,Sb,W)O4·(H2O) P 4/mnm 4/m 2/m 2/m

IV/D.02-40 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m

IV/D.02-45 Argutite GeO2 P 4/mnm 4/m 2/m 2/m

IV/D.02-50 Paratellurite TeO2 P 4₁2₁2,P 4₃2₁2 4 2 2

IV/D.02-60 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m

Other Paratellurite Information

References:

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

See Also:

Links to other databases for Paratellurite :
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 - WWW-MINCRYST 13 -École des Mines de Paris

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Paratellurite

TeO2
Dana No: 4.4.3.2 Strunz No: IV/D.02-50
Locality:

Notes: