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Lenaite

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About LenaiteHide

Formula:
AgFeS2
Colour:
Steel Grey
Lustre:
Metallic
Hardness:
Crystal System:
Tetragonal
Name:
For the river Lena, Russia

Classification of LenaiteHide

Approved
2.CB.10a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
B : With Zn, Fe, Cu, Ag, etc.
2.9.1.5

2 : SULFIDES
9 : AmBnXp, with (m+n):p = 1:1

Physical Properties of LenaiteHide

Metallic
Colour:
Steel Grey
Streak:
Dark grey to black
Hardness:
4½ on Mohs scale
Hardness:
VHN10=285 kg/mm2 - Vickers

Optical Data of LenaiteHide

Type:
Anisotropic
Anisotropism:
moderate, in yellowish tints
Bireflectance:
None
Reflectivity:
471.1 nmR1=28.2%R2= 30.6%
548.3 nmR1=31.8%R2= 35.8%
586.6 nmR1=32.8%R2= 36.5%
652.3 nmR1=30.9%R2= 35.0%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 36.5%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Greyish white
Pleochroism:
Non-pleochroic

Chemical Properties of LenaiteHide

Formula:
AgFeS2

Crystallography of LenaiteHide

Crystal System:
Tetragonal
Class (H-M):
4 2m - Scalenohedral
Space Group:
I4 2d
Cell Parameters:
a = 5.4371 Å, c = 10.8479 Å
Ratio:
a:c = 1 : 1.995
Unit Cell V:
320.69 ų
Z:
4

Type Occurrence of LenaiteHide

Synonyms of LenaiteHide

Other Language Names for LenaiteHide

German:Lenait
Russian:Ленаит
Spanish:Lenaita

Relationship of Lenaite to other SpeciesHide

Other Members of this group:
ChalcopyriteCuFeS2Tet. 4 2m : I4 2d
EskeborniteCuFeSe2Tet.
GalliteCuGaS2Tet. 4 2m : I4 2d
LaforêtiteAgInS2Tet. 4 2m : I4 2d
RoquesiteCuInS2Tet. 4 2m : I4 2d
ShenzhuangiteNiFeS2Tet. 4 2m : I4 2d
Unnamed (Cu-Mn-Sn Sulfide)Cu2MnSnS4

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Lenaite associated with StephaniteAg5SbS4
1 photo of Lenaite associated with Silver Amalgam Group

Related Minerals - Nickel-Strunz GroupingHide

2.CB.AgmantiniteAg2MnSnS4Orth.
2.CB.05aColoradoiteHgTeIso. m3m (4/m 3 2/m)
2.CB.05aHawleyiteCdSIso. 4 3m : F4 3m
2.CB.05aMetacinnabarHgSIso. 4 3m : F4 3m
2.CB.05cPolhemusite(Zn,Hg)STet.
2.CB.05bSakuraiite(Cu,Zn,Fe)3(In,Sn)S4Iso.
2.CB.05aSphaleriteZnSIso. 4 3m : F4 3m
2.CB.05aStilleiteZnSe
2.CB.05aTiemanniteHgSeIso. 4 3m : F4 3m
2.CB.05UM1998-15-S:CuFeZnCu2Fe3Zn5S10
2.CB.05aRudashevskyite(Fe,Zn)SIso. 4 3m : F4 3m
2.CB.10aChalcopyriteCuFeS2Tet. 4 2m : I4 2d
2.CB.10aEskeborniteCuFeSe2Tet.
2.CB.10aGalliteCuGaS2Tet. 4 2m : I4 2d
2.CB.10bHaycockiteCu4Fe5S8Orth. 2 2 2
2.CB.10bMooihoekiteCu9Fe9S16Tet.
2.CB.10bPutoraniteCu1.1Fe1.2S2Iso.
2.CB.10aRoquesiteCuInS2Tet. 4 2m : I4 2d
2.CB.10bTalnakhiteCu9(Fe,Ni)8S16Iso. 4 3m : I4 3m
2.CB.10aLaforêtiteAgInS2Tet. 4 2m : I4 2d
2.CB.15aČernýiteCu2(Cd,Zn,Fe)SnS4Tet. 4 2m : I4 2m
2.CB.15aFerrokësteriteCu2FeSnS4Tet. 4 : I4
2.CB.15aHocartiteAg2(Fe2+,Zn)SnS4Tet. 4 2m : I4 2m
2.CB.15aIdaiteCu5FeS6Hex.
2.CB.15aKësterite Cu2ZnSnS4Tet. 4 : I4
2.CB.15aKuramiteCu3SnS4Tet.
2.CB.15bMohiteCu2SnS3Mon.
2.CB.15aPirquitasiteAg2ZnSnS4Tet. 4 : I4
2.CB.15aStanniteCu2FeSnS4Tet. 4 2m : I4 2m
2.CB.15cStannoiditeCu+6Cu2+2(Fe2+,Zn)3Sn2S12Orth.
2.CB.15aVelikiteCu2HgSnS4Tet.
2.CB.15cUM2006-11-S:CuFeGeZnCu8(Fe,Zn)3Ge2S12 (?)
2.CB.20ChatkaliteCu6FeSn2S8Tet. 4 2m : P4m2
2.CB.20MawsoniteCu6Fe2SnS8Tet. 4 2m : P4m2
2.CB.30ColusiteCu13VAs3S16Iso. 4 3m : P4 3n
2.CB.30GermaniteCu13Fe2Ge2S16Iso. 4 3m : P4 3n
2.CB.30GermanocolusiteCu26V2(Ge,As)6S32Iso.
2.CB.30NekrasoviteCu26V2(Sn,As,Sb)6S32Iso.
2.CB.30StibiocolusiteCu13V(Sb,Sn,As)3S16Iso.
2.CB.30Ovamboite Cu20(Fe,Cu,Zn)6W2Ge6S32Iso.
2.CB.30MaikainiteCu20(Fe,Cu)6Mo2Ge6S32
2.CB.35aHemusiteCu6SnMoS8Iso.
2.CB.35aKiddcreekiteCu6SnWS8Iso. 4 3m : F4 3m
2.CB.35aPolkovicite(Fe,Pb)3(Ge,Fe)1-xS4Iso.
2.CB.35aRenierite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16Tet. 4 2m : P4 2c
2.CB.35aVincienniteCu+7Cu2+3Fe2+2Fe3+2Sn(As,Sb)S16Tet.
2.CB.35aMorozeviczite(Pb,Fe)3Ge1-xS4Iso.
2.CB.35bCatamarcaiteCu6GeWS8Hex. 6mm : P63mc
2.CB.40LautiteCuAsSOrth. mmm (2/m 2/m 2/m) : Pnma
2.CB.45CadmoseliteCdSeHex. 6mm : P63mc
2.CB.45GreenockiteCdSHex. 6mm : P63mc
2.CB.45Wurtzite(Zn,Fe)SHex. 6mm : P63mc
2.CB.45RambergiteMnSHex. 6mm : P63mc
2.CB.45Buseckite(Fe,Zn,Mn)SHex. 6mm : P63mc
2.CB.55aCubaniteCuFe2S3Orth. mmm (2/m 2/m 2/m)
2.CB.55bIsocubaniteCuFe2S3Iso. m3m (4/m 3 2/m) : Fm3m
2.CB.60PicotpauliteTlFe2S3Orth. mmm (2/m 2/m 2/m) : Cmcm
2.CB.60RaguiniteTlFeS2Orth.
2.CB.65ArgentopyriteAgFe2S3Mon. 2/m
2.CB.65SternbergiteAgFe2S3Orth. mmm (2/m 2/m 2/m)
2.CB.70SulvaniteCu3VS4Iso.
2.CB.75VulcaniteCuTeOrth.
2.CB.80EmpressiteAgTeOrth. mmm (2/m 2/m 2/m)
2.CB.85MuthmanniteAuAgTe2Mon. 2/m : P2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

2.9.1.1ChalcopyriteCuFeS2Tet. 4 2m : I4 2d
2.9.1.2EskeborniteCuFeSe2Tet.
2.9.1.3GalliteCuGaS2Tet. 4 2m : I4 2d
2.9.1.4RoquesiteCuInS2Tet. 4 2m : I4 2d

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.

References for LenaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Mandarino, J.A. (1996) Abstracts of new nimeral descriptions. Mineralogical Record: 27(6): 463-466.
Amuzinskii, V.A., Zhdanov, Yu.Ya., Zayakina, N.V., Leskova, N.V. (1995) Lenaite, AgFeS2, a new mineral species. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 124(5): 85-91. [in Russian, abstract in Amer. Mineral., 81, 1283]
Jambor, J.L., Kovalenker, V.A., Puziewics, J., Roberts, A.C. (1996) New mineral names. American Mineralogist: 81: 1282-1286.
Bindi, L., Spry, P.G., Pratesi, G. (2006) Lenaite from the Gies gold–silver telluride deposit, Judith Mountains, Montana, U.S.A.: occurrence, composition, and crystal structure. The Canadian Mineralogist: 44: 207-212.
Locock, A.J., Ercit, T.S., Kjellman, J., Piilonen, C. (2006) New mineral names. American Mineralogist: 91: 1945-1954.
Boon, J.W. (2010) The crystal structure of chalcopyrite (CuFeS2) and AgFeS2: The permutoidic reactions KFeS2 -> CuFeS2 and KFeS2 -> AgFeS2. Recueil des Travaux Chimiques des Pays-Bas: 63: 69-80.
Djaafri, T., Bouafia, H., Sahli, B., Djebour, B., Uğur, Ş., Uğur, G., & Moussa, H. (2020). Study of the ground-state magnetic ordering, magnetic and optoelectronic properties of (Lenaite) AgFeS2 in its chalcopyrite structure. Journal of Magnetism and Magnetic Materials, 493, 165730.

Internet Links for LenaiteHide

Localities for LenaiteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Austria
 
  • Lower Austria
    • Lilienfeld District
      • Annaberg
Kolitsch, U., Auer, C. & Zeug, M. (2017): 2046) Austinit, Billingsleyit, Konichalcit, Lenait?, Luzonit, Marrit, Trechmannit und Zinkrosasit von Annaberg, Niederösterreich (ein Vorbericht). Pp. 265-268 in Walter, F. et al. (2017): Neue Mineralfunde aus Österreich LXVI. Carinthia II, 207./127., 217-284.
Japan
 
  • Yamagata
    • Yonezawa City
Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
Russia
 
  • Kamchatka Krai
Okrugin, V. M. (2004). Miocene to Quaternary center volcanic, hydrothermal and ore-forming activity in the Southern Kamchatka. In Metallogeny of the Pacific Northwest (Russian Far East)-Tectonics, Magmatism and Metallogeny of Active Continental Margin, Interim IAGOD Conference, Excursion Guidebook, Dalnauka, Vladivostok, 2004 (pp. 147-176).; Takahashi, R., Matsueda, H., & Okrugin, V. M. (2002). Hydrothermal gold mineralization at the Rodnikovoe deposit in South Kamchatka, Russia. Resource Geology, 52(4), 359-369.
  • Krasnoyarsk Krai
    • Maimecha and Kotui Rivers Basin
N. V. Sorokhtina, A.M. Asavin, V.G .Senin (2010) K-bearing sulfides in carbonatites of the Guli massif of the Polar Siberia. Abstracts of XXVII International conference School «Geochemistry of Alkaline rocks». – Moscow-Koktebel’. pp. 240 pp.
  • Magadan Oblast
    • Engteri ore cluster
Palyanova, G.A., Savva, N.E., Zhuravkova, T.V., Kolova, E.E. (2016): Gold and silver minerals in low-sulfidaton ores of the Julietta deposit (northeastern Russia). Russian Geology and Geophysics: 57: 1171-1190
    • Kolyma River Basin
      • Ducat District
        • Omsukchan
          • Primorskoe deposit
Savva, N. E., Volkov, A. V., Sidorov, A. A., Kolova, E. E., & Murashov, K. Y. (2019). Primorskoe Epithermal Ag-Au Deposit (Northeastern Russia): Geological Setting, Mineralogy, Geochemistry, and Ore Formation Conditions. Geology of Ore Deposits, 61(1), 50-73.
Volkov, A. V., Savva, N. E., Kolova, E. E., Sidorov, A. A. (2018): Peculiarities of ore formation at the Teploe Ag–Au deposit, Northeast Russia. Doklady Earth Sciences 481, 869-872.
  • Sakha Republic (Yakutia)
unpublished SEM/EDS analysis
    • Verkhoyansk Fold Belt
      • Verkhoyansk Silver Province
        • Khachakchan ore cluster
Amuzinskii et al (1995), Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 124(5): 85-91.; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Pavlova, G.G., and Borisenko, A.S. (2009): Ore Geology Reviews 35, 164-185.
    • Yana-Kolyma Foldbelt
Nekrasov, I.Ya. , Gamyanin, G.N., Goryachev, N.A., Zhdanov, Yu.Ya., Goryacheva, E.M., Leskova, N.V. (1987): Mineralogical and geochemical peculiarities of silver mineralization in the Verkhoyan-Kolymian Folded Region. Mineral associations of ores of the silver-antimony and gold-silver formations. Mineral. Zhurnal: 9(6): 5-27 (in Russian; in: Jambor, J.L., Puziewicz, J., (1990): New mineral Names. American Mineralogist: 75: 435
Nekrasov, I.Ya. , Gamyanin, G.N., Goryachev, N.A., Zhdanov, Yu.Ya., Goryacheva, E.M., Leskova, N.V. (1987): Mineralogical and geochemical peculiarities of silver mineralization in the Verkhoyan-Kolymian Folded Region. Mineral associations of ores of the silver-antimony and gold-silver formations. Mineral. Zhurnal: 9(6): 5-27 (in Russian; in: Jambor, J.L., Puziewicz, J., (1990): New mineral Names. American Mineralogist: 75: 435
Turkey
 
  • Balikesir Province
    • Sindirgi
Blanks, D. E., Holwell, D. A. and Coller, I. V. (2014), Multi Stage Epithermal Au-Ag Mineralisation in the Kiziltepe Deposit, Western Turkey: Evidence From 3D High Resolution CT Scanning. Acta Geologica Sinica, 88: 706–707.
UK
 
  • England
    • Cumbria
      • Eden
        • Alston Moor
          • Garrigill
Ixer, R.A., Stanley, C.J. (1987): A silver-nickel-cobalt mineral association at Tynebottom Mine, Garrigill, near Alston, Cumbria. Proc. Yorkshire Geol. Soc.: 46: 133-139; in: Jambor, J.L., Burke, E.A.J., Ercit, T.J., Grice, J.D. (1988): New mineral Names. American Mineralogist: 73: 1497
USA
 
  • Montana
    • Fergus Co.
      • Warm Springs District (Gilt Edge District; Gold Hill District; Maiden District)
        • Cone Butte Sub-District
Bindi, L., Spry, P.G., Pratesi, G. (2006): Lenaite from the Gies gold–silver telluride deposit, Judith Mountains, Montana, U.S.A.: occurrence, composition, and crystal structure. Canadian Mineralogist 44, 207-212
 
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