Imiterite Mineral Data

General Imiterite Information

Chemical Formula:

Ag2HgS2

Composition:

Molecular Weight = 480.46 gm

Silver 44.90 % Ag

Mercury 41.75 % Hg

Sulfur 13.35 % S

______

100.00 %

Empirical Formula:

Ag₂HgS₂

Environment:

In a pyritic deposit.

IMA Status:

Approved IMA 1985

Locality:

In the Imiter mine, Anti-Atlas Mountains, Morocco. Link to MinDat.org Location Data.

Name Origin:

For the Imiter mine locality in Morocco.

Name Pronunciation:

Imiterite + Pronunciation

Synonym:

ICSD 201713

PDF 39-328

Imiterite Image

Images:

Imiterite

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

Images:

Imiterite

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

Axial Ratios:

a:b:c =0.5045:1:0.8219

Cell Dimensions:

a = 4.039, b = 8.0052, c = 6.58, Z = 2; beta = 107.11° V = 203.34 Den(Calc)= 7.85

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/c

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.746(1), 2.768(1), 2.461(0.8),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Guillou J J , Monthel J , Picot P , Pillard F , Protas J , Samama J C , Bulletin de Mineralogie , 108 (1985) p.457-464

Physical Properties of Imiterite

Color:

Light gray, Black, Silver gray.

Density:

7.85

Diaphaneity:

Opaque

Hardness:

2.5-3 - Finger Nail-Calcite

Luster:

Metallic

Streak:

dark gray

Optical Properties of Imiterite

RL Anisotrophism:

Strong, from blue to reddish brown.

RL Color:

White-gray.

RL Pleochroism:

Bluish to pinkish.

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**
Relative Intensity	0%	40%	80%	100%	120%	160%	200%	240%	280%	310%
R₁
R₂

Calculated Properties of Imiterite

Electron Density: Bulk Density (Electron Density)=6.73 gm/cc
note: Specific Gravity of Imiterite =7.85 gm/cc.

Fermion Index: Fermion Index = 0.12
Boson Index = 0.88

Photoelectric: PE_Imiterite= 809.28 barns/electron
U=PE_Imiterite x rElectron Density=5,447.64 barns/cc.

Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Imiterite is Not Radioactive

Imiterite Classification

Dana Class: 02.05.08.01 (02)Sulfides - Including Selenides and Tellurides (02.05)where Am Bn Xp, with (m+n):p=3:2 (02.05.08)Dana Group

02.05.08.01 Imiterite Ag2HgS2 P 2₁/c 2/m

02.05.08.02 Brodtkorbite! Cu2HgSe2 P 2₁/n 2/m

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

References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

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
15 - WWW-MINCRYST

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Ask about Imiterite here :
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Print or Cut-and-Paste your Imiterite Specimen Label here :

Imiterite

Ag2HgS2
Dana No: 02.05.08.01 Strunz No: 02.BD.05
Locality:

Notes: