Mineralogy Database

Imiterite Mineral Data

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General Imiterite Information

Help on Chemical  Formula: Chemical Formula: Ag2HgS2
Help on Composition: Composition: Molecular Weight = 480.46 gm
   Silver   44.90 %  Ag
   Mercury  41.75 %  Hg
   Sulfur   13.35 %  S
           100.00 % 
Help on Empirical Formula: Empirical Formula: Ag2HgS2
Help on Environment: Environment: In a pyritic deposit.
Help on IMA Status: IMA Status: Approved IMA 1985
Help on Locality: Locality: In the Imiter mine, Anti-Atlas Mountains, Morocco. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the Imiter mine locality in Morocco.
Help on Name Pronunciation: Name Pronunciation: Imiterite + Pronunciation Say IMITERITE
Help on Synonym: Synonym: ICSD 201713
  PDF 39-328

Imiterite Image

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Comments: Back metallic prismatic microcrystals of imiterite in white calcite.
Location: Imiter Mine, Jbel Sarho, Anti-Atlas Region, Morocco. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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Comments: Silvery needle-like wire crystals of imiterite with rounded tips to 0.5 to .75mm in vuggy calcite.
Location: Imiter mine, Anti-Atlas Mts., Dades Region, Morocco. Scale: Picture size 0.5 cm.
© Tom Loomis / Dakota Matrix

Imiterite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5045:1:0.8219
Help on Cell Dimensions: Cell Dimensions: a = 4.039, b = 8.0052, c = 6.58, Z = 2; beta = 107.11° V = 203.34 Den(Calc)= 7.85
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.746(1), 2.768(1), 2.461(0.8),

Physical Properties of Imiterite

Help on Color: Color: Light gray, Black, Silver gray.
Help on Density: Density: 7.85
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luster: Luster: Metallic
Help on Streak: Streak: dark gray

Optical Properties of Imiterite

Help on RL Anisotrophism: RL Anisotrophism: Strong, from blue to reddish brown.
Help on RL Color: RL Color: White-gray.
Help on RL Pleochroism: RL Pleochroism: Bluish to pinkish.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Imiterite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 420 nm   29.80   33.80 
 440 nm   33.40   38.30 
 460 nm   32.10   36.40 
 480 nm   31.30   34.80 
 500 nm   30.60   33.70 
 520 nm   29.90   32.80 
 540 nm   29.50   32.10 
 560 nm   29.20   31.50 
 580 nm   28.90   31.10 
 600 nm   28.80   30.80 
 620 nm   28.60   30.50 
 640 nm   28.50   30.30 
 660 nm   28.20   29.90 
 680 nm   27.90   29.70 
 700 nm   27.50   29.40 
Calculated Relative Intensity Colors of Imiterite in Air
   0%   40%   80% 100% 120% 160% 200% 240% 280% 310%

Calculated Properties of Imiterite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.73 gm/cc
note: Specific Gravity of Imiterite =7.85 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.12
Boson Index = 0.88
Help on Photoelectric: Photoelectric: PEImiterite = 809.28 barns/electron
U=PEImiterite x rElectron Density=5,447.64 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Imiterite is Not Radioactive

Imiterite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.05)where Am Bn Xp, with (m+n):p=3:2
  (02.05.08)Dana Group Imiterite Ag2HgS2 P 21/c 2/m Brodtkorbite! Cu2HgSe2 P 21/n 2/m
Help on  Strunz Class: Strunz Class: 02.BD.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BD -With Hg, Tl
02.BD.05 Imiterite Ag2HgS2 P 21/c 2/m

Other Imiterite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Imiterite :
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.BD.05





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