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Henryite Mineral Data
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General Henryite Information
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 Chemical Formula: |
Cu4Ag3Te4 |
| Composition: |
Molecular Weight = 1,088.19 gm |
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Copper 23.36 % Cu |
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Silver 29.74 % Ag |
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Tellurium 46.90 % Te |
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______ |
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100.00 % |
| Empirical Formula: |
Cu4Ag3Te4 |
| Environment: |
Hydrothermal origin with other Cu-Ag tellurides. |
| IMA Status: |
Approved IMA 1983 |
| Locality: |
Campbell mine, Bisbee, Arizona, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Norman F. M. Henry, (1909-1983), English mineralogist. |
| Name Pronunciation: |
Henryite  |
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Henryite Crystallography
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| Cell Dimensions: |
a = 12.2, Z = 8; V = 1,815.85 Den(Calc)= 7.96 |
| Crystal System: |
Isometric Space Group: Unk |
| X Ray Diffraction: |
By Intensity(I/Io): 2.156(1), 3.043(0.8), 7.03(0.6), |
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Physical Properties of Henryite
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| Color: |
Gray. |
| Density: |
7.86 |
| Diaphaneity: |
Opaque |
| Habit: |
Anhedral Grains - Granular minerals without the expression of crystal shapes |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
3.5 - Copper Penny |
| Luster: |
Metallic |
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Optical Properties of Henryite
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| RL Color: |
Pale blue. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Henryite in Air
| λ |
R |
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∑ R(λ) |
| 400 nm |
41.80 |
 |
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| 420 nm |
40.20 |
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| 440 nm |
38.70 |
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| 460 nm |
37.40 |
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| 480 nm |
36.20 |
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| 500 nm |
35.10 |
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| 520 nm |
34.00 |
 |
| 540 nm |
33.10 |
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| 560 nm |
32.30 |
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| 580 nm |
31.40 |
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| 600 nm |
30.40 |
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| 620 nm |
29.40 |
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| 640 nm |
28.40 |
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| 660 nm |
27.40 |
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| 680 nm |
26.50 |
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| 700 nm |
25.70 |
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Calculated Relative Intensity Colors of Henryite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
240% |
270% |
290% |
| R |
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Calculated Properties of Henryite
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| Electron Density: |
Bulk Density (Electron Density)=6.80 gm/cc
note: Specific Gravity of Henryite =7.96 gm/cc.
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| Fermion Index: |
Fermion Index = 0.03
Boson Index = 0.97 |
| Photoelectric: |
PEHenryite = 259.10 barns/electron
U=PEHenryite x rElectron Density=1,762.61 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Henryite is Not Radioactive |
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Henryite Classification
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| Dana Class: |
02.16.11.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.16)with miscellaneous formulae |
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(02.16.11)Dana Group |
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02.16.11.01 Henryite Cu4Ag3Te4 Unk Cubic |
| Strunz Class: |
02.BA.25e 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1) |
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02.BA -With Cu, Ag, Au |
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02.BA.25e Henryite Cu4Ag3Te4 Unk Cubic |
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Other Henryite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| 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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Print or Cut-and-Paste your Henryite Specimen Label here :
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Henryite
Cu4Ag3Te4
Dana No: 02.16.11.01 Strunz No: 02.BA.25e
Locality:
Notes:
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