Tantalum Mineral Data

Tantalum Mineral Data

General Tantalum Information

Chemical Formula:

Composition:

Molecular Weight = 180.95 gm

Tantalum 100.00 % Ta

______

100.00 %

Empirical Formula:

Environment:

Alluvial placer deposits.

IMA Status:

Not Approved IMA

Locality:

Primorskiy Kray, near Osimovka and Abramovka Rivers, Russia. Link to MinDat.org Location Data.

Name Origin:

Greek, Tantalos = father of Niobe.

Search for Tantalum Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Tantalum Crystallography

Cell Dimensions:

a = 3.3058, Z = 2; V = 36.13 Den(Calc)= 16.63

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: I m3m

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

By Intensity(I/I_o): 2.34(1)(110), 1.35(0.35)(112), 1.65(0.17)(200),1.17(0.11)(220),

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, Body centered cubic, bcc, structure

Physical Properties of Tantalum

Color:

Grayish yellow.

Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Luminescence:

Non-fluorescent.

Magnetism:

Nonmagnetic

Calculated Properties of Tantalum

Electron Density:

r_electron=13.4 gm/cc
note: r_Tantalum=16.6 gm/cc.

Fermion Index

Fermion Index = 0.00012
Boson Index = 0.99988

Photoelectric:

PE_Tantalum=1,276.15 barns/electron
U=PE_Tantalum x r_electron=17123.55 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Tantalum is Not Radioactive

Tantalum Classification

Dana Class:

1.0.0.0 (1)Native Elements

(1.0)Without Dana Classification Numbers

(Metals)

Strunz Class:

I/X.00-00 I - Elements

I/X - Unclassified Strunz Elements

I/X.00 - Metals

Other Tantalum Information

References:

PHYS. PROP.(Dana)

See Also:

Links to other databases for Tantalum :
1 -Am. Min. Crystal Structure Database 2 - Applied Mineralogy 3 -Athena 4 -Google Images 5 -Google Scholar 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 - WWW-MINCRYST

Search for Tantalum using:

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

Visit our Advertisers for Tantalum :
AA Mineral Specimens
A-Rocks Auction
Adams Minerals
B and L Minerals
Dakota Matrix
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
Minernet.it
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Tantalum Mineral Data :

Ask about Tantalum 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 Español

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

Tantalum

Ta
Dana No: Unknown Strunz No: I/X.00-00
Locality:

Notes: