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Henryite

A valid IMA mineral species
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About HenryiteHide

05908840017271924017939.jpg
Norman F. M. Henry
Formula:
(Cu,Ag)3+xTe2 , with x ~ 0.40
Originally assumed to be Cu3.77Ag3.01Te4 (simplified Cu4Ag3Te4).
Hardness:
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.
This page provides mineralogical data about Henryite.


Unique IdentifiersHide

Mindat ID:
1998
Long-form identifier:
mindat:1:1:1998:5

Similar NamesHide

IMA Classification of HenryiteHide

Classification of HenryiteHide

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
2.16.11.1

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
HryIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of HenryiteHide

Transparency:
Opaque
Hardness:
3½ on Mohs scale
Hardness:
VHN100=109 - 115 kg/mm2 - Vickers
Density:
7.86 g/cm3 (Calculated)

Optical Data of HenryiteHide

Reflectivity:
WavelengthR1 (%)
400nm41.8%
420nm40.2%
440nm38.7%
460nm37.4%
480nm36.2%
500nm35.1%
520nm34.0%
540nm33.1%
560nm32.3%
580nm31.4%
600nm30.4%
620nm29.4%
640nm28.4%
660nm27.4%
680nm26.5%
700nm25.7%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 41.8%.
Colour in reflected light:
Pale blue

Chemistry of HenryiteHide

Mindat Formula:
(Cu,Ag)3+xTe2 , with x ~ 0.40

Originally assumed to be Cu3.77Ag3.01Te4 (simplified Cu4Ag3Te4).

Crystallography of HenryiteHide

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 StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0020215HenryiteBindi 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 38 108-1112014the Campbell orebody, Bisbee, Arizona, USA0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
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 EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of HenryiteHide

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.
Geological Setting of Type Material:
Hydrothermal
Associated Minerals at Type Locality:

Synonyms of HenryiteHide

Other Language Names for HenryiteHide

Dutch:Henryiet
German:Henryit
Spanish:Henryita

Common AssociatesHide

Associations Based on Photo Data:
1 photo of Henryite associated with PetziteAg3AuTe2
1 photo of Henryite associated with RickarditeCu7Te5
1 photo of Henryite associated with SylvaniteAgAuTe4
1 photo of Henryite associated with HessiteAg2Te

Related Minerals - Strunz-mindat GroupingHide

2.BA.MakotoiteAg12(Cu3Au)S8Trig. 3m(32/m) : R3c
2.BA.AlburniteAg8GeTe2S4Iso.
2.BA.DzierżanowskiteCaCu2S2Trig. 3m(32/m) : P3m1
2.BA.XuwenyuaniteAg9Fe3+Te2S4Iso. 43m : F43m
2.BA.'Orileyite'(Fe,Cu)2As
2.BA.JuxingiteBi6Cu+138Cu2+2Fe3+30S125Iso. 43m : F43m
2.BA.05DjurleiteCu31S16Mon. 2/m
2.BA.05GeeriteCu8S5Trig. 3
2.BA.05RoxbyiteCu58S32Tric. 1 : P1
2.BA.05ChalcociteCu2SMon. 2/m : P21/b
2.BA.10DigeniteCu9S5Trig. 3m(32/m) : R3m
2.BA.10AniliteCu7S4Orth. mmm(2/m2/m2/m) : Pnma
2.BA.15BorniteCu5FeS4Orth. mmm(2/m2/m2/m) : Pbca
2.BA.20BellidoiteCu2SeTet. 4/m : P42/n
2.BA.20BerzelianiteCu2-xSe (x ≈ 0.12)Iso. m3m(4/m32/m) : Fm3m
2.BA.25AthabascaiteCu5Se4Orth.
2.BA.25UmangiteCu3Se2Tet. 42m : P421m
2.BA.30RickarditeCu7Te5Orth. mmm(2/m2/m2/m) : Pmmn
2.BA.30WeissiteCu2-xTeHex. 6/mmm(6/m2/m2/m) : P6/mmm
2.BA.35AcanthiteAg2SMon. 2/m : P21/m
2.BA.35SpryiteAg8(As3+0.5As5+0.5)S6Orth. mm2 : Pna21
2.BA.40d'UM2003-13-S:AgAuCu'Ag6AuCu2S5
2.BA.40MckinstryiteAg5-xCu3+xS4Orth. mmm(2/m2/m2/m) : Pnma
2.BA.40StromeyeriteAgCuSOrth. mmm(2/m2/m2/m)
2.BA.42HoneaiteAu3TlTe2 Orth. mmm(2/m2/m2/m) : Pbcm
2.BA.45JalpaiteAg3CuS2Tet. 4/mmm(4/m2/m2/m) : I41/amd
2.BA.45SelenojalpaiteAg3CuSe2Tet. 4/mmm(4/m2/m2/m) : I41/amd
2.BA.45KuriliteAg8Te3SeTrig. 3 : R3
2.BA.47Spiridonovite(Cu1-xAgx)2TeTrig. 3m(32/m) : P3c1
2.BA.50WuyanzhiiteCu2STet. 422 : P43212
2.BA.50EucairiteAgCuSeOrth.
2.BA.52'Argentite'Ag2SIso.
2.BA.55NaumanniteAg2SeOrth. 222 : P212121
2.BA.55AguilariteAg4SeSMon. 2/m
2.BA.60ChenguodaiteAg9Fe3+Te2S4Orth.
2.BA.60HessiteAg2TeMon. 2/m : P21/b
2.BA.60CervelleiteAg4TeSMon. 2/m
2.BA.65StütziteAg5-xTe3, x = 0.24-0.36Hex. 6 : P6
2.BA.70ArgyroditeAg8GeS6Orth. mm2 : Pna21
2.BA.70Putzite(Cu4.7Ag3.3)GeS6Iso. 43m : F43m
2.BA.70CanfielditeAg8SnS6Orth. mm2 : Pna21
2.BA.75FischesseriteAg3AuSe2Iso. 432 : I4132
2.BA.75UytenbogaardtiteAg3AuS2Trig. 3m(32/m) : R3c
2.BA.75Penzhinite(Ag,Cu)4Au(S,Se)4Hex. 622 : P6322
2.BA.75PetrovskaiteAuAgSMon.
2.BA.75PetziteAg3AuTe2Iso. 432 : I4132
2.BA.80Bezsmertnovite(Au,Ag)4Cu(Te,Pb)Orth.
2.BA.80BilibinskitePbCu2Au3Te2Iso.
2.BA.80Bogdanovite(Au,Te,Pb)3(Cu,Fe)Iso.

Other InformationHide

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 HenryiteHide

References for HenryiteHide

Localities for HenryiteHide

Showing 6 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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Locality ListHide

- 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Ghana
 
  • Ashanti Region
    • Obuasi Municipal District
      • Obuasi Gold Project
Bowell et al. (1990) +1 other reference
Mexico
 
  • Sonora
    • Moctezuma Municipality
Braith et al. (2001)
In the collection of Brent Thorne. ...
Bonev et al. (2005)
USA
 
  • Arizona
    • Cochise County
Graeme (1993)
Criddle et al. (1983) +1 other reference
 
and/or  
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