Henryite
A valid IMA mineral species
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About Henryite
Formula:
(Cu,Ag)3+xTe2 , with x ~ 0.40
Originally assumed to be Cu3.77Ag3.01Te4 (simplified Cu4Ag3Te4).
Hardness:
3½
Specific Gravity:
7.86 (Calculated)
Crystal System:
Isometric
Name:
Named by A. J. Criddle, C. J. Stanley, J. E. Chisholm, and E. E. Fejer in 1983 in honor of Norman Fordyce McKerron Henry [1909–1983], mineralogist and ore microscopist, University of Cambridge, Cambridge, England.
Type Locality:
This page provides mineralogical data about Henryite.
Unique Identifiers
Mindat ID:
1998
Long-form identifier:
mindat:1:1:1998:5
Similar Names
IMA Classification of Henryite
Approved
IMA Formula:
(Cu,Ag)3+xTe2 (x~0.4)
Approval year:
1982
First published:
1983
Classification of Henryite
2.BA.65
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
A : With Cu, Ag, Au
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
A : With Cu, Ag, Au
2.16.11.1
2 : SULFIDES
16 : Miscellaneous
2 : SULFIDES
16 : Miscellaneous
3.2.15
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
2 : Sulphides etc. of Ag
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
2 : Sulphides etc. of Ag
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Hry | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Henryite
Transparency:
Opaque
Hardness:
3½ on Mohs scale
Hardness:
VHN100=109 - 115 kg/mm2 - Vickers
Density:
7.86 g/cm3 (Calculated)
Optical Data of Henryite
Reflectivity:
| Wavelength | R1 (%) |
|---|---|
| 400nm | 41.8% |
| 420nm | 40.2% |
| 440nm | 38.7% |
| 460nm | 37.4% |
| 480nm | 36.2% |
| 500nm | 35.1% |
| 520nm | 34.0% |
| 540nm | 33.1% |
| 560nm | 32.3% |
| 580nm | 31.4% |
| 600nm | 30.4% |
| 620nm | 29.4% |
| 640nm | 28.4% |
| 660nm | 27.4% |
| 680nm | 26.5% |
| 700nm | 25.7% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 41.8%.
Colour in reflected light:
Pale blue
Chemistry of Henryite
Mindat Formula:
(Cu,Ag)3+xTe2 , with x ~ 0.40
Originally assumed to be Cu3.77Ag3.01Te4 (simplified Cu4Ag3Te4).
Originally assumed to be Cu3.77Ag3.01Te4 (simplified Cu4Ag3Te4).
Elements listed:
Crystallography of Henryite
Crystal System:
Isometric
Class (H-M):
m3m(4/m32/m) - Hexoctahedral
Space Group:
Fd3c
Cell Parameters:
a = 12.1987(5) Å
Unit Cell V:
1,815.27 ų (Calculated from Unit Cell)
Z:
16
Crystal Structure
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2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0020215 | Henryite | Bindi L (2014) Chemical and structural characterization of henryite, (Cu,Ag)3+xTe2 (x ~ 0.40): A new structure type in the (Ag)-Cu-Te system Solid State Sciences 38 108-111 | 2014 | the Campbell orebody, Bisbee, Arizona, USA | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.157 Å | (100) |
| 3.050 Å | (80) |
| 7.04 Å | (60) |
| 2.348 Å | (60) |
| 4.31 Å | (50) |
| 3.522 Å | (50) |
| 2.728 Å | (50) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| High-? alteration and/or metamorphism | |
| 33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Henryite
General Appearance of Type Material:
Anhedral grains, to 0.8 mm.
Place of Conservation of Type Material:
The Natural History Museum, London, England, 1982,209.
National Museum of Natural History (Smithsonian), Washington, D.C., USA, 162714.
National Museum of Natural History (Smithsonian), Washington, D.C., USA, 162714.
Geological Setting of Type Material:
Hydrothermal
Associated Minerals at Type Locality:
Synonyms of Henryite
Other Language Names for Henryite
Common Associates
Associations Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 2.BA. | Makotoite | Ag12(Cu3Au)S8 |
| 2.BA. | Alburnite | Ag8GeTe2S4 |
| 2.BA. | Dzierżanowskite | CaCu2S2 |
| 2.BA. | Xuwenyuanite | Ag9Fe3+Te2S4 |
| 2.BA. | 'Orileyite' | (Fe,Cu)2As |
| 2.BA. | Juxingite | Bi6Cu+138Cu2+2Fe3+30S125 |
| 2.BA.05 | Djurleite | Cu31S16 |
| 2.BA.05 | Geerite | Cu8S5 |
| 2.BA.05 | Roxbyite | Cu58S32 |
| 2.BA.05 | Chalcocite | Cu2S |
| 2.BA.10 | Digenite | Cu9S5 |
| 2.BA.10 | Anilite | Cu7S4 |
| 2.BA.15 | Bornite | Cu5FeS4 |
| 2.BA.20 | Bellidoite | Cu2Se |
| 2.BA.20 | Berzelianite | Cu2-xSe (x ≈ 0.12) |
| 2.BA.25 | Athabascaite | Cu5Se4 |
| 2.BA.25 | Umangite | Cu3Se2 |
| 2.BA.30 | Rickardite | Cu7Te5 |
| 2.BA.30 | Weissite | Cu2-xTe |
| 2.BA.35 | Acanthite | Ag2S |
| 2.BA.35 | Spryite | Ag8(As3+0.5As5+0.5)S6 |
| 2.BA.40d | 'UM2003-13-S:AgAuCu' | Ag6AuCu2S5 |
| 2.BA.40 | Mckinstryite | Ag5-xCu3+xS4 |
| 2.BA.40 | Stromeyerite | AgCuS |
| 2.BA.42 | Honeaite | Au3TlTe2 |
| 2.BA.45 | Jalpaite | Ag3CuS2 |
| 2.BA.45 | Selenojalpaite | Ag3CuSe2 |
| 2.BA.45 | Kurilite | Ag8Te3Se |
| 2.BA.47 | Spiridonovite | (Cu1-xAgx)2Te |
| 2.BA.50 | Wuyanzhiite | Cu2S |
| 2.BA.50 | Eucairite | AgCuSe |
| 2.BA.52 | 'Argentite' | Ag2S |
| 2.BA.55 | Naumannite | Ag2Se |
| 2.BA.55 | Aguilarite | Ag4SeS |
| 2.BA.60 | Chenguodaite | Ag9Fe3+Te2S4 |
| 2.BA.60 | Hessite | Ag2Te |
| 2.BA.60 | Cervelleite | Ag4TeS |
| 2.BA.65 | Stützite | Ag5-xTe3, x = 0.24-0.36 |
| 2.BA.70 | Argyrodite | Ag8GeS6 |
| 2.BA.70 | Putzite | (Cu4.7Ag3.3)GeS6 |
| 2.BA.70 | Canfieldite | Ag8SnS6 |
| 2.BA.75 | Fischesserite | Ag3AuSe2 |
| 2.BA.75 | Uytenbogaardtite | Ag3AuS2 |
| 2.BA.75 | Penzhinite | (Ag,Cu)4Au(S,Se)4 |
| 2.BA.75 | Petrovskaite | AuAgS |
| 2.BA.75 | Petzite | Ag3AuTe2 |
| 2.BA.80 | Bezsmertnovite | (Au,Ag)4Cu(Te,Pb) |
| 2.BA.80 | Bilibinskite | PbCu2Au3Te2 |
| 2.BA.80 | Bogdanovite | (Au,Te,Pb)3(Cu,Fe) |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Henryite
mindat.org URL:
https://www.mindat.org/min-1998.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Henryite
Reference List:
Criddle, Alan J., Stanley, Chris J., Chisholm, Jim E., Fejer, Eva E. (1983) Henryite, a new copper-silver telluride from Bisbee, Arizona. Bulletin de Minéralogie, 106 (5) 511-517 doi:10.3406/bulmi.1983.7731
Localities for Henryite
Showing 6 localities.
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Ghana | |
| Bowell et al. (1990) +1 other reference |
Mexico | |
| Braith et al. (2001) |
| In the collection of Brent Thorne. ... | |
| Bonev et al. (2005) | |
USA | |
| Graeme (1993) |
| Criddle et al. (1983) +1 other reference |
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The
Campbell Mine, Bisbee, Cochise County, Arizona, USA