Tegengrenite Mineral Data

AA Mineral Sepcimens
[What's New] [Mineral Galleries] [Sale Items] [About Us] [Contacts]
At AA Mineral Specimens, we source quality Mineral Specimens, Fossils, Gemstones,
Decorative Stones, Lapidary Material and Specimen Sets world-wide

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, V?rmland, 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 Diaphaniety: Diaphaniety: 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
 

Calculated Properties of Tegengrenite

Help on Electron Density: Electron Density:

relectron=4.17 gm/cc
note: rTegengrenite =4.50 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.01616
Boson Index = 0.98384
Help on Photoelectric: Photoelectric:

PETegengrenite = 96.81 barns/electron
U=PETegengrenite x relectron= 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: 7.2.13.2 (7)Multiple Oxides
  (7.2)(A+ B++)2 X4 Spinel group
  (7.2.13)Dana Group
 
7.2.13.1 Filipstadite (Mn,Mg)4SbFeO8 pseudo ISO 2/m 2/m 2/m
 
7.2.13.2 Tegengrenite ! (Mg,Mn)2Sb0.5(Mn,Si,Ti)0.5O4 R 3 or R 3- Trig
Help on  Strunz Class: Strunz Class: IV/B.05-65 IV - Oxides
  IV/B - Oxides with metal : oxygen = 3:4 (spinel type M3O4 and related)
  IV/B.05 - Hausmannite - Filipstadite series
 
IV/B.05-10 Hausmannite MnMn2O4 I 41/amd 4/m 2/m 2/m
 
IV/B.05-20 Iwakiite Mn(Fe,Mn)2O4 P 41/nnm 4/m 2/m 2/m
 
IV/B.05-30 Donathite? (Fe,Mg)(Cr,Fe)2O4 P 4/nnm 4/m 2/m 2/m
 
IV/B.05-40 Hetaerolite ZnMn2O4 I 41/amd 4/m 2/m 2/m
 
IV/B.05-50 Hydrohetaerolite Zn2Mn4O8·(H2O) I 41/amd 4/m 2/m 2/m
 
IV/B.05-60 Marokite CaMn2O4 Pmab 2/m 2/m 2/m
 
IV/B.05-65 Tegengrenite (Mg,Mn)2Sb0.5(Mn,Si,Ti)0.5O4 R 3 or R 3- Trig
 
IV/B.05-80 Filipstadite (Mn,Mg)4SbFeO8 pseudo ISO 2/m 2/m 2/m
 

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 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

Search for Tegengrenite using:

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

Visit our Advertisers for Tegengrenite :

AA Mineral Specimens
B & L Fine Minerals
Crystal Vaults
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
Heliodor
John Betts Fine Minerals
Mason's Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz
T G Fine Minerals
Wrights Rock Shop

Translate Tegengrenite Mineral Data :

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 Espaņol

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

Tegengrenite

(Mg,Mn++)2Sb+++++0.5(Mn+++,Si,Ti)0.5O4
Dana No: 7.2.13.2 Strunz No: IV/B.05-65
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