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Henryite Mineral Data

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General Henryite Information

Help on Chemical  Formula: Chemical Formula: Cu4Ag3Te4
Help on Composition: Composition: Molecular Weight = 1,088.19 gm
   Copper     23.36 %  Cu
   Silver     29.74 %  Ag
   Tellurium  46.90 %  Te
             100.00 % 
Help on Empirical Formula: Empirical Formula: Cu4Ag3Te4
Help on Environment: Environment: Hydrothermal origin with other Cu-Ag tellurides.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Campbell mine, Bisbee, Arizona, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Norman F. M. Henry, (1909-1983), English mineralogist.
Help on Name Pronunciation: Name Pronunciation: Henryite Say HENRYITE

Henryite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 12.2, Z = 8; V = 1,815.85 Den(Calc)= 7.96
Help on Crystal System: Crystal System: Isometric Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.156(1), 3.043(0.8), 7.03(0.6),

Physical Properties of Henryite

Help on Color: Color: Gray.
Help on Density: Density: 7.86
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Metallic

Optical Properties of Henryite

Help on RL Color: RL Color: Pale blue.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Henryite in Air
λ R  ∑ R(λ) 
 400 nm   41.80   
 420 nm   40.20 
 440 nm   38.70 
 460 nm   37.40 
 480 nm   36.20 
 500 nm   35.10 
 520 nm   34.00 
 540 nm   33.10 
 560 nm   32.30 
 580 nm   31.40 
 600 nm   30.40 
 620 nm   29.40 
 640 nm   28.40 
 660 nm   27.40 
 680 nm   26.50 
 700 nm   25.70 
Calculated Relative Intensity Colors of Henryite in Air
   0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 270% 290%

Calculated Properties of Henryite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.80 gm/cc
note: Specific Gravity of Henryite =7.96 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEHenryite = 259.10 barns/electron
U=PEHenryite x rElectron Density=1,762.61 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Henryite is Not Radioactive

Henryite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.16)with miscellaneous formulae
  (02.16.11)Dana Group Henryite Cu4Ag3Te4 Unk Cubic
Help on  Strunz Class: Strunz Class: 02.BA.25e 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BA -With Cu, Ag, Au
02.BA.25e Henryite Cu4Ag3Te4 Unk Cubic

Other Henryite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Henryite :
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.BA.25e