Ullmannite Mineral Data (original) (raw)

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 Ullmannite Image in a New Browser Window Images:

Click Here for Larger Ullmannite Image Ullmannite Tucekite 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 - 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) Warning: this large pop-up is very compute intensive and may not work well with some computers. | | -------------------------------------------------------------------------------------------------------------------------------------- |

Click Here for Large Ullmannite Structure Window Crystal Structure:

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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 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

RelativeIntensity 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

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Ask about Ullmannite here :
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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: