Mineralogy Database

Ullmannite Mineral Data

Search Webmineral :
  
Advertisment

General Ullmannite Information

Help on Chemical  Formula: Chemical Formula: NiSbS
Help on Composition: Composition: Molecular Weight = 212.51 gm
   Nickel    27.62 %  Ni
   Antimony  57.29 %  Sb
   Sulfur    15.09 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: NiSbS
Help on Environment: Environment: With Ni minerals in hydrothermal veins. Forms a series with willyamite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1843
Help on Locality: Locality: Freusburg, Siegen, Nordrhein-Westfalen, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the German chemist and mineralogist, J. Ch. Ullmann (1771-1821).
Help on Name Pronunciation: Name Pronunciation: Ullmannite + Pronunciation Say ULLMANNITE
 

Ullmannite Image

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

  Tucekite   Ullmannite

Comments: Gray tucekite with ullmannite in white matrix.
Location: Adler mine, Eisern, Siegerland, Nordrhein-Westfalen, Germany. Scale: Picture Size 3.5 mm.
© Thomas Witzke

Ullmannite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 5.886, Z = 4; V = 203.92 Den(Calc)= 6.92
Help on Crystal System: Crystal System: Isometric - Tetartoidal H-M Symbol (2 3) Space Group: P 213
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.66(1), 1.78(0.4), 2.41(0.4),
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 1 1) ( 1 0 0)

Warning: this java applet does not work in some browsers because of security restrictions.

 

Physical Properties of Ullmannite

Help on Cleavage: Cleavage: {100} Good, {010} Good, {001} Good
Help on Color: Color: Steel gray, Silver white, Tin white.
Help on Density: Density: 6.65
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Metallic
Help on Streak: Streak: grayish black
 

Optical Properties of Ullmannite

Help on RL Anisotrophism: RL Anisotrophism: Occasionally induviduals are weakly anisotropic revealing a fine lamellar structure.
Help on RL Color: RL Color: White.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Ullmannite in Air
λ R  ∑ R(λ) 
 400 nm   52.00   
 420 nm   51.00 
 440 nm   50.00 
 460 nm   49.00 
 480 nm   48.20 
 500 nm   47.40 
 520 nm   46.70 
 540 nm   46.10 
 560 nm   45.70 
 580 nm   45.50 
 600 nm   45.50 
 620 nm   45.60 
 640 nm   46.00 
 660 nm   46.40 
 680 nm   47.00 
 700 nm   47.60 
Calculated Relative Intensity Colors of Ullmannite in Air
Relative
Intensity
   0%   20%   40%   60%   80% 100% 120% 140% 160% 180% 190%
R                      
 

Calculated Properties of Ullmannite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.19 gm/cc
note: Specific Gravity of Ullmannite =6.92 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0042525482
Boson Index = 0.9957474518
Help on Photoelectric: Photoelectric: PEUllmannite = 201.24 barns/electron
U=PEUllmannite x rElectron Density=1,245.07 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ullmannite is Not Radioactive
 

Ullmannite Classification

Help on  Dana Class: Dana Class: 02.12.03.03 (02)Sulfides - Including Selenides and Tellurides
  (02.12)where Am Bn Xp, with (m+n):p=1:2
  (02.12.03)Cobaltite Group (Cubic or pseudocubic crystals)
 
02.12.03.01 Cobaltite CoAsS P ca21 mm2
 
02.12.03.02 Gersdorffite NiAsS P 213 2 3
 
02.12.03.03 Ullmannite NiSbS P 213 2 3
 
02.12.03.04 Willyamite (Co,Ni)SbS P 213 2 3
 
02.12.03.05 Tolovkite IrSbS P 213 2 3
 
02.12.03.06 Platarsite (Pt,Rh,Ru)AsS P a3 2/m 3
 
02.12.03.07 Irarsite (Ir,Ru,Rh,Pt)AsS P a3 2/m 3
 
02.12.03.08 Hollingworthite (Rh,Pt,Pd)AsS P a3 2/m 3
 
02.12.03.09 Jolliffeite (Ni,Co)AsSe P a3 2/m 3
 
02.12.03.10 Padmaite PdBiSe P 213 2 3
 
02.12.03.11 Michenerite (Pd,Pt)BiTe P 213 2 3
 
02.12.03.12 Maslovite PtBiTe P 213 2 3
 
02.12.03.13 Testibiopalladite PdTe(Sb,Te) P 213 2 3
 
02.12.03.14 Changchengite! IrBiS P 213 2 3
 
02.12.03.15 Milotaite! PdSbSe P 21/3 2 3
 
02.12.03.16 Kalungaite! PdAsSe Pa3 2/m 3
Help on  Strunz Class: Strunz Class: 02.EB.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.E - Metal Sulfides, M:S � 1:2
  02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc.
 
02.EB.25 Cobaltite CoAsS P ca21 mm2
 
02.EB.25 Changchengite! IrBiS P 213 2 3
 
02.EB.25 Hollingworthite (Rh,Pt,Pd)AsS P a3 2/m 3
 
02.EB.25 Gersdorffite NiAsS P 213 2 3
 
02.EB.25 Irarsite (Ir,Ru,Rh,Pt)AsS P a3 2/m 3
 
02.EB.25 Jolliffeite (Ni,Co)AsSe P a3 2/m 3
 
02.EB.25 Krutovite NiAs2 P a3 2/m 3
 
02.EB.25 Michenerite (Pd,Pt)BiTe P 213 2 3
 
02.EB.25 Maslovite PtBiTe P 213 2 3
 
02.EB.25 Mayingite IrBiTe P a3 2/m 3
 
02.EB.25 Padmaite PdBiSe P 213 2 3
 
02.EB.25 Platarsite (Pt,Rh,Ru)AsS P a3 2/m 3
 
02.EB.25 Ullmannite NiSbS P 213 2 3
 
02.EB.25 Tolovkite IrSbS P 213 2 3
 
02.EB.25 Testibiopalladite PdTe(Sb,Te) P 213 2 3
 
02.EB.25 Willyamite (Co,Ni)SbS P 213 2 3
 
02.EB.25 Kalungaite! PdAsSe Pa3 2/m 3
 
02.EB.25 Milotaite! PdSbSe P 21/3 2 3
 

Other Ullmannite Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Ullmannite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - HyperPhysics
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - WWW-MINCRYST

Search for Ullmannite using:

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

Visit our Advertisers for Ullmannite :

Ask about Ullmannite 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 Ullmannite Specimen Label here :

Ullmannite

NiSbS
Dana No: 02.12.03.03 Strunz No: 02.EB.25
Locality:

 

Notes:

 

 
   
 


Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.