Ullmannite Mineral Data + Say ULLMANNITE


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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).
 

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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 - TetartoidalH-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:

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

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Bayliss P , American Mineralogist , 62 (1977) p.369-373, Crystal structure refinement of arsenian ullmannite, approximate cubic structure

View Additional jPOWD Structure files for Ullmannite
[1] [2]
 

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 Diaphaniety: Diaphaniety: 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:

relectron=6.19 gm/cc
note: rUllmannite =6.92 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.00425
Boson Index = 0.99575
Help on Photoelectric: Photoelectric:

PEUllmannite = 201.24 barns/electron
U=PEUllmannite x relectron=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: 2.12.3.3 (2)Sulfides - Including Selenides and Tellurides
  (2.12)where Am Bn Xp, with (m+n):p=1:2
  (2.12.3)Cobaltite Group (Cubic or pseudocubic crystals)
 
2.12.3.1 Cobaltite CoAsS P ca21 mm2
 
2.12.3.2 Gersdorffite NiAsS P 213 2 3
 
2.12.3.3 Ullmannite NiSbS P 213 2 3
 
2.12.3.4 Willyamite (Co,Ni)SbS P 213 2 3
 
2.12.3.5 Tolovkite IrSbS P 213 2 3
 
2.12.3.6 Platarsite (Pt,Rh,Ru)AsS P a3 2/m 3
 
2.12.3.7 Irarsite (Ir,Ru,Rh,Pt)AsS P a3 2/m 3
 
2.12.3.8 Hollingworthite (Rh,Pt,Pd)AsS P a3 2/m 3
 
2.12.3.9 Jolliffeite (Ni,Co)AsSe P a3 2/m 3
 
2.12.3.10 Padmaite PdBiSe P 213 2 3
 
2.12.3.11 Michenerite (Pd,Pt)BiTe P 213 2 3
 
2.12.3.12 Maslovite PtBiTe P 213 2 3
 
2.12.3.13 Testibiopalladite PdTe(Sb,Te) P 213 2 3
 
2.12.3.14 Changchengite! IrBiS P 213 2 3
 
2.12.3.15 Milotaite! PdSbSe P 21/3 2 3
 
2.12.3.16 IMA2004-047! PdAsSe Pa3 4/m 2/m 2/m
Help on Strunz Class: Strunz Class: II/D.18-40 II - Sulfides and sulphosalts
  II/D - Sulfides with metal: sulfur, selenium and tellurium < 1:1, Tellurides with Copper, Silver, Gold
  II/D.18 - Cobaltite group, Cobaltite - Ullmannite - Tolovkite series
 
II/D.18-10 Cobaltite CoAsS P ca21 mm2
 
II/D.18-20 Gersdorffite NiAsS P 213 2 3
 
II/D.18-25 Jolliffeite (Ni,Co)AsSe P a3 2/m 3
 
II/D.18-30 Willyamite (Co,Ni)SbS P 213 2 3
 
II/D.18-40 Ullmannite NiSbS P 213 2 3
 
II/D.18-50 Hollingworthite (Rh,Pt,Pd)AsS P a3 2/m 3
 
II/D.18-60 Irarsite (Ir,Ru,Rh,Pt)AsS P a3 2/m 3
 
II/D.18-70 Platarsite (Pt,Rh,Ru)AsS P a3 2/m 3
 
II/D.18-80 Tolovkite IrSbS P 213 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 - Applied Mineralogy 4 -Athena 5 - Crocoite.com Mineral Locations 6 - EUROmin Project 7 -Google Images 8 -Google Scholar 9 -Handbook of Mineralogy (UofA) 10 - HyperPhysics 11 -MinDAT 12 -MinMax(Deutsch) 13 -MinMax(English) 14 -Mineralienatlas (Deutsch) 15 -QUT Mineral Atlas 16 - WWW-MINCRYST 17 -École des Mines de Paris

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Ullmannite

NiSbS
Dana No: 2.12.3.3 Strunz No: II/D.18-40
Locality:

 

Notes:

 
 
   
 
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