Tegengrenite Mineral Data

Tegengrenite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About


General Tegengrenite Information

Help on Chemical Formula: Chemical Formula: (Mg,Mn++)2Sb+++++0.5(Mn+++,Si,Ti)0.5O4
Help on Composition: Composition: Molecular Weight = 219.12 gm
   Magnesium  13.31 %  Mg   22.07 % MgO
   Titanium    0.87 %  Ti    1.46 % TiO2
   Manganese  25.07 %  Mn   25.90 % MnO /  7.21 % Mn2O3
   Zinc        2.98 %  Zn    3.71 % ZnO
   Silicon     0.77 %  Si    1.65 % SiO2
   Antimony   27.78 %  Sb   36.91 % Sb2O5
   Oxygen     29.21 %  O
             ______        ______ 
             100.00 %       98.90 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg1.2Mn2+0.8Zn0.1Sb0.5Mn3+0.2Si0.06Ti0.04O4
Help on Environment: Environment: In a manganese-iron deposit in marble. Related to the spinal group
Help on IMA Status: IMA Status: Approved IMA 1999 (Dana # Added)
Help on Locality: Locality: Jokobsberg Fe-Mn deposit, Varmland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Felix Tegengren (1884-1980), a renowned Finlandic-Swedish economic geologist who wrote about the ore deposits of Sweden and China.
Help on Synonym: Synonym: IMA1999-002
 

Tegengrenite Image

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

Tegengrenite

Comments: Red, pseudo-octahedral crystal of tegengrenite in quartz.
Location: Jakobsberg, Nordmark, Filipstad, Värmland, Sweden. Scale: Picture size 0.8 mm.
© Thomas Witzke / Abraxas-Verlag

Tegengrenite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.92294
Help on Cell Dimensions: Cell Dimensions: a = 16.196, c = 14.948, Z = 42; V = 3,395.70 Den(Calc)= 4.50
Help on Crystal System: Crystal System: TrigonalSpace Group: R 3 or R 3-
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.608(1)(241,143,125), 3.052(0.33)(140,214), 1.6652(0.3)(363,075),1.5273(0.29)(428), 2.162(0.28)(244), 1.5313(0.26)(820), 4.98(0.2)(211,003),
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: ( 2 0 1) ( 0 0 1)

Warning: this large pop-up is very compute intensive and may not work well with some computers.
 

Physical Properties of Tegengrenite

Help on Cleavage: Cleavage: None
Help on Color: Color: Dark red.
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Habit: Habit: Subhedral Crystals - Occurs as crystals which tend to exhibit a recognizable crystal shape.
Help on Luster: Luster: Subadamantine
 

Optical Properties of Tegengrenite

Help on Optical Data: Optical Data: NCalc= 1.85 - from Gladstone-Dale relationship (KC = 0.1884) where Ncalc=Dcalc*KC+1
 

Calculated Properties of Tegengrenite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.17 gm/cc
note: Specific Gravity of Tegengrenite =4.50 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PETegengrenite = 96.81 barns/electron
U=PETegengrenite x rElectron Density= 404.06 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tegengrenite is Not Radioactive
 

Tegengrenite Classification
Help on Dana Class: Dana Class: 07.02.13.02 (07)Multiple Oxides
  (07.02)(A+ B++)2 X4 Spinel group
  (07.02.13)Dana Group
 
07.02.13.01 Filipstadite (Mn,Mg)4SbFeO8 pseudo ISO 2/m 2/m 2/m
 
07.02.13.02 Tegengrenite! (Mg,Mn)2Sb0.5(Mn,Si,Ti)0.5O4 R 3 or R 3- Trig
Help on Strunz Class: Strunz Class: 04.BB.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.B - Metal:Oxygen = 3:4 and similar
  04.BB -With only medium-sized cations
 
04.BB.20 Tegengrenite! (Mg,Mn)2Sb0.5(Mn,Si,Ti)0.5O4 R 3 or R 3- Trig
 

Other Tegengrenite Information
Help on References: References: NAME( MinRec, Vol 32, p 419) PHYS. PROP.(MinRec, Vol 32, p 419)
Help on See Also: See Also: Links to other databases for Tegengrenite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Tegengrenite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Tegengrenite :

A Bijoux Google Search for Tegengrenite
Adam's Minerals Google Search for Tegengrenite
Cape Minerals Google Search for Tegengrenite
Dakota Matrix Minerals Google Search for Tegengrenite
Excalibur Mineral Corp. Google Search for Tegengrenite
Exceptional Minerals Google Search for Tegengrenite
John Betts Fine Minerals Search for Tegengrenite
McDougall Minerals Google Search for Tegengrenite
Mineral News Website Link
Rock and Mineral Shows Google Search for Tegengrenite
Weinrich Minerals, Inc. Google Search for Tegengrenite

Ask about Tegengrenite 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 Espańol

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

Tegengrenite

(Mg,Mn++)2Sb+++++0.5(Mn+++,Si,Ti)0.5O4
Dana No: 07.02.13.02 Strunz No: 04.BB.20
Locality:

 

Notes: