Mineralogy Database

Tiemannite Mineral Data

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General Tiemannite Information

Help on Chemical  Formula: Chemical Formula: HgSe
Help on Composition: Composition: Molecular Weight = 279.55 gm
   Mercury   71.75 %  Hg
   Selenium  28.25 %  Se
            100.00 % 
Help on Empirical Formula: Empirical Formula: HgSe
Help on Environment: Environment: Found in hydrothermal veins, usually with other selenides and calcite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1855
Help on Locality: Locality: Marysville, Piute Co., Utah. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its discoverer, C. W. F. Tiemann (1848-1899).
Help on Name Pronunciation: Name Pronunciation: Tiemannite + Pronunciation Say TIEMANNITE
Help on Synonym: Synonym: ICSD 24322
  PDF 8-469

Tiemannite Image

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Comments: Dull black tiemannite masses on limestone.
Location: Marysvale, Piute County, Utah. USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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Comments: Dull steel-gray, tetragonal crystals of tiemannite to 0.5mm with modifications and striations, slight purple tinge.
Location: Rio Blanco, Pinal De Arvole, Atriagu, Queretare, Mexico. Scale: Picture size 2 mm.
© Tom Loomis / Dakota Matrix

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  Tischendorfite   Tiemannite   Chrisstanleyite

Comments: Polished section (PPL) showing tischendorfite (T, cream), clausthalite (Cl, off-white), tiemannite (Tie, gray), ankerite (black) and chrisstanleyite (C, greenish buff to pale brown).
Location: Eskaborner Stollen (Eskeborn Adit) at Tilkerode, Harz, Mountains, Germany. (CanMin v40:739). Scale: Picture Size 275 µm.
© Canadian Mineralogist

Tiemannite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 6.084, Z = 4; V = 225.20 Den(Calc)= 8.24
Help on Crystal System: Crystal System: Isometric - Hextetrahedral H-M Symbol (4 3m) Space Group: F43m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.51(1), 2.151(0.5), 1.835(0.3),

Physical Properties of Tiemannite

Help on Cleavage: Cleavage: None
Help on Color: Color: Gray, Reddish brown, Black.
Help on Density: Density: 8.19 - 8.47, Average = 8.33
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: grayish black

Optical Properties of Tiemannite

Help on RL Color: RL Color: Grayish white.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Tiemannite in Air
λ R  ∑ R(λ) 
 400 nm   33.40   
 420 nm   33.60 
 440 nm   33.80 
 460 nm   33.20 
 480 nm   32.30 
 500 nm   31.30 
 520 nm   30.50 
 540 nm   29.80 
 560 nm   29.30 
 580 nm   29.00 
 600 nm   28.70 
 620 nm   28.50 
 640 nm   28.30 
 660 nm   28.20 
 680 nm   28.00 
 700 nm   28.00 
Calculated Relative Intensity Colors of Tiemannite in Air
   0%   40%   80% 100% 120% 160% 200% 240% 280% 310%

Calculated Properties of Tiemannite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.72 gm/cc
note: Specific Gravity of Tiemannite =8.24 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.23
Boson Index = 0.77
Help on Photoelectric: Photoelectric: PETiemannite =1,269.54 barns/electron
U=PETiemannite x rElectron Density=8,531.97 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tiemannite is Not Radioactive

Tiemannite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.08)where Am Bn Xp, with (m+n):p=1:1
  (02.08.02)Sphalerite Group (Isometric: F4-3m) Sphalerite (Zn,Fe)S F43m 4 3m Stilleite ZnSe F43m 4 3m Metacinnabar HgS F43m 4 3m Tiemannite HgSe F43m 4 3m Coloradoite HgTe F43m 4 3m Hawleyite CdS F43m 4 3m Rudashevskyite! (Fe,Zn)S F43m 4 3m
Help on  Strunz Class: Strunz Class: 02.CB.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.C - Metal Sulfides, M:S = 1:1 (and similar)
  02.CB -With Zn, Fe, Cu, Ag, Au, etc
02.CB.05a Hawleyite CdS F43m 4 3m
02.CB.05a Coloradoite HgTe F43m 4 3m
02.CB.05a Metacinnabar HgS F43m 4 3m
02.CB.05a Sphalerite (Zn,Fe)S F43m 4 3m
02.CB.05a Tiemannite HgSe F43m 4 3m
02.CB.05a Stilleite ZnSe F43m 4 3m
02.CB.05a Rudashevskyite! (Fe,Zn)S F43m 4 3m

Other Tiemannite 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 Tiemannite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 02.CB.05a





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