Mineralogy Database

Galkhaite Mineral Data

Search Webmineral :
  
Advertisment

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

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image

  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 - Hextetrahedral H-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),
 

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

Search for Galkhaite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Galkhaite :

Ask about Galkhaite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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:

 

 
   
 


Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.