Tellurium Mineral Data + Say TELLURIUM


[New Updates] [Gallery 1] [Gallery 2] [Gallery 3] [Rock Shop Gallery]
Serving the mineral collector and educator community since 1970
Over 900,000 mineral specimens in stock
New minerals acquired weekly - Wright's Rock Shop

General Tellurium Information
Help on Chemical Formula: Chemical Formula: Te
Help on Composition: Composition: Molecular Weight = 127.60 gm
   Tellurium 100.00 %  Te
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: Te
Help on Environment: Environment: Hydrothermal vein mineral.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1783
Help on Locality: Locality: Facebaj, Transylvania, Romania. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the element, Latin, tellus = "earth."
Help on Synonym: Synonym: ICSD 23058
  PDF 36-1452
  Selen tellurium-Mixture with selenium
 

Tellurium Image

Click Here for Larger Tellurium Image in a New Browser Window Images:
Click Here for Larger Tellurium Image

Tellurium

Comments: Crystalline native tellurium on quartz.
Location: Rosia Montana (Verespatak), Transylvania, Romania. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
Click Here for Larger Tellurium Image in a New Browser Window Images:
Click Here for Larger Tellurium Image

Tellurium   Empressite

Comments: Bronze-colored microcrystals of empressite with bright native tellurium crystals.
Location: Rex mine, Boulder County, Colorado, USA. Scale: 1.9 x 1.4 x 0.7 cm.
© Richard Dale / Dale Minerals

Tellurium Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.33011
Help on Cell Dimensions: Cell Dimensions: a = 4.447, c = 5.915, Z = 3; V = 101.30 Den(Calc)= 6.27
Help on Crystal System: Crystal System: Trigonal - TrapezohedralH-M Symbol (3 2) Space Group: P 3121
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.23(1), 2.351(0.37), 2.228(0.31),
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
Help on Above

Forms: [ 1 0 0] [ 0 1 1] [ 0 0 1]

Warning: this large pop-up is very compute intensive and may not work well with some computers.
Click Here for Large Tellurium Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Wyckoff R W G , Crystal Structures , 1 (1963) p.7-83, Second edition. Interscience Publishers, New York, New York

 

Physical Properties of Tellurium

Help on Cleavage: Cleavage: [100] Good
Help on Color: Color: White, Grayish white.
Help on Density: Density: 6.2
Help on Diaphaniety: Diaphaniety: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Columnar - Forms columns
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 2-2.5 - Gypsum-Finger Nail
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: grayish white
 

Optical Properties of Tellurium

Help on RL Anisotrophism: RL Anisotrophism: Fairly strong.
Help on RL Color: RL Color: White.
Help on RL Pleochroism: RL Pleochroism: Feeble.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Tellurium in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   58.00   69.80 
   
 420 nm   57.80   69.50 
 440 nm   57.60   69.20 
 460 nm   57.40   69.00 
 480 nm   57.30   68.90 
 500 nm   57.20   68.80 
 520 nm   57.10   68.80 
 540 nm   57.10   68.70 
 560 nm   57.00   68.50 
 580 nm   56.60   68.20 
 600 nm   56.00   67.60 
 620 nm   55.40   67.00 
 640 nm   54.50   66.20 
 660 nm   53.60   65.40 
 680 nm   52.70   64.50 
 700 nm   51.60   63.50 
Calculated Relative Intensity Colors of Tellurium in Air
Relative
Intensity		    0%   20%   40%   60%   80% 100% 120% 140% 160%
R1                  
R2                  
 

Calculated Properties of Tellurium

Help on Electron Density: Electron Density:

relectron=5.11 gm/cc
note: rTellurium =6.27 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.0799
Boson Index = 0.9201
Help on Photoelectric: Photoelectric:

PETellurium = 376.32 barns/electron
U=PETellurium x relectron=1,923.10 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Tellurium is Not Radioactive
 

Tellurium Classification
Help on Dana Class: Dana Class: 1.3.4.2 (1)Native Elements
  (1.3)with semi-metallic and non-metallic elements
  (1.3.4)Dana Group
 
1.3.4.1 Selenium Se P 3121,P 3221 3 2
 
1.3.4.2 Tellurium Te P 3121 3 2
Help on Strunz Class: Strunz Class: I/B.03-40 I - Elements
  I/B - Semimetals and nonmetals
  I/B.03 - Sulfur - Selenium series
 
I/B.03-10 Sulfur S8 F ddd 2/m 2/m 2/m
 
I/B.03-20 Rosickyite S P 2/c 2/m
 
I/B.03-30 Selenium Se P 3121,P 3221 3 2
 
I/B.03-40 Tellurium Te P 3121 3 2
 

Other Tellurium Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Tellurium :
1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Applied Mineralogy 4 -Athena 5 - Crocoite.com Mineral Locations 6 -Google Images 7 -Google Scholar 8 -Handbook of Mineralogy (UofA) 9 -MinDAT 10 -MinMax(Deutsch) 11 -MinMax(English) 12 - Mineral and Gemstone Kingdom 13 -Mineralienatlas (Deutsch) 14 -QUT Mineral Atlas 15 - WWW-MINCRYST

Search for Tellurium using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Tellurium :
AA Mineral Specimens
B and L Minerals
Crystal Vaults
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Tellurium Mineral Data :

Ask about Tellurium here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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

Tellurium

Te
Dana No: 1.3.4.2 Strunz No: I/B.03-40
Locality:

 

Notes:

 
 
   
 
Go To Webmineral Home Crystallography X-Ray D-Spacing Table Chemical Composition
Dana Classification Strunz Classification Table of Mineral Properties Alphabetical Listing of Minerals
Search Webmineral Photo Gallery of Mineral Images Help Files Links