Galkhaite Mineral Data

Galkhaite Mineral Data
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General Galkhaite Information

Help on Chemical Formula: Chemical Formula: (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12
Help on Composition: Composition: Molecular Weight = 1,727.48 gm
   Cesium     4.62 %  Cs
   Thallium   4.73 %  Tl
   Zinc       3.79 %  Zn
   Copper     5.52 %  Cu
   Mercury   40.64 %  Hg
   Antimony   2.82 %  Sb
   Arsenic   15.61 %  As
   Sulfur    22.27 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Cs0.6Tl0.4Hg3.5Cu1.5ZnAs3.6Sb0.4S12
Help on Environment: Environment: Hydrothermal Hg-Au deposits.
Help on IMA Status: IMA Status: Approved IMA 1972
Help on Locality: Locality: In the mercury deposits of Gal-Khaya, Yakutia, and Khaidarkan, Kirgizia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Galkhaite + Pronunciation Say GALKHAITE
Help on Synonym: Synonym: ICSD 38361
  PDF 35-553
 

Galkhaite Image

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Galkhaite

Comments: Cherry red crystals of galkhaite on matrix.
Location: Getchell mine, Humboldt County, Nevada, USA. Scale: Crystal size 1 mm.
© John Veevaert

Galkhaite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 10.365, Z = 2; V = 1,113.55 Den(Calc)= 5.15
Help on Crystal System: Crystal System: Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: I 43m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.992(1), 4.232(0.85), 2.77(0.8),
Click Here for Large Galkhaite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
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Chen T T , Szymanski J T , The Canadian Mineralogist , 19 (1981) p.571-581, The structure and chemistry of galkhaite, a mercury sulfosalt containing, Cs and Tl

View Additional jPOWD Structure files for Galkhaite
[1]
 

Physical Properties of Galkhaite

Help on Color: Color: Orange red, Reddish, Black.
Help on Density: Density: 5.4
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous - Adamantine
Help on Streak: Streak: orange
 

Optical Properties of Galkhaite

Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Galkhaite in Air
λ R  ∑ R(λ) 
 400 nm   30.50   
 420 nm   29.70 
 440 nm   29.30 
 460 nm   28.80 
 480 nm   28.00 
 500 nm   26.80 
 520 nm   26.60 
 540 nm   24.60 
 560 nm   23.80 
 580 nm   23.10 
 600 nm   22.60 
 620 nm   22.20 
 640 nm   21.90 
 660 nm   21.60 
 680 nm   21.40 
 700 nm   21.20 
Calculated Relative Intensity Colors of Galkhaite in Air
Relative
Intensity		    0%   40%   80% 100% 120% 160% 200% 240% 280% 320% 360% 380%
R                        
 

Calculated Properties of Galkhaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.47 gm/cc
note: Specific Gravity of Galkhaite =5.15 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.12
Boson Index = 0.88
Help on Photoelectric: Photoelectric: PEGalkhaite = 790.05 barns/electron
U=PEGalkhaite x rElectron Density=3,533.45 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Galkhaite is Not Radioactive
 

Galkhaite Classification
Help on Dana Class: Dana Class: 03.04.14.01 (03)Sulfides - Sulfosalts
  (03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.04.14)Dana Group
 
03.04.14.01 Galkhaite (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12 I 43m 4 3m
Help on Strunz Class: Strunz Class: 02.GB.20 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.G - Sulfarsenites, sulfantimonites, sulfbismuthites
  02.GB -Neso-sulfarsenites, etc
 
02.GB.20 Galkhaite (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12 I 43m 4 3m
 

Other Galkhaite Information
Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Galkhaite :
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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Print or Cut-and-Paste your Galkhaite Specimen Label here :

Galkhaite

(Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12
Dana No: 03.04.14.01 Strunz No: 02.GB.20
Locality:

 

Notes: