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Junoite

A valid IMA mineral species
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About JunoiteHide

Formula:
Cu2Pb3Bi8(S,Se)16
Colour:
Gray
Lustre:
Metallic
Hardness:
3½ - 4
Specific Gravity:
6.77 (Calculated)
Crystal System:
Monoclinic
Name:
For the type locality, the Juno mine, Australia.
Forms a homologous series with Felbertalite.


Unique IdentifiersHide

Mindat ID:
2124
Long-form identifier:
mindat:1:1:2124:7
GUID
(UUID V4):
4ed8511c-e7d4-4f46-88fe-186d38990041

IMA Classification of JunoiteHide

Classification of JunoiteHide

2.JB.25a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb
3.7.14.1

3 : SULFOSALTS
7 : ø = 2
3.7.40

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
7 : Sulphides etc. of V, As, Sb and Bi

Mineral SymbolsHide

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

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference
JntIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
JntThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of JunoiteHide

Metallic
Transparency:
Opaque
Colour:
Gray
Hardness:
3½ - 4 on Mohs scale
Hardness:
VHN100=114 - 213 - Vickers
Cleavage:
Distinct/Good
One good
Density:
6.77 g/cm3 (Calculated)

Optical Data of JunoiteHide

Anisotropism:
Strong
Reflectivity:
WavelengthR1R2
400nm34.7%42.8%
420nm34.8%42.7%
440nm35.0%42.5%
460nm35.0%42.5%
480nm35.0%42.5%
500nm34.8%42.4%
520nm34.7%42.7%
540nm34.6%42.2%
560nm34.6%42.3%
580nm34.6%42.5%
600nm34.6%42.7%
620nm34.8%42.8%
640nm34.9%42.6%
660nm35.0%42.4%
680nm35.0%42.1%
700nm35.0%41.9%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 42.8%.
R1 shown in black, R2 shown in red
Colour in reflected light:
creamy white
Pleochroism:
Strong
Comments:
Cream to gray with green and mauve tints

Chemistry of JunoiteHide

Mindat Formula:
Cu2Pb3Bi8(S,Se)16
Common Impurities:
Ag

Crystallography of JunoiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 26.66(1) Å, b = 4.06(1) Å, c = 17.03(1) Å
β = 127.2(2)°
Ratio:
a:b:c = 6.567 : 1 : 4.195
Unit Cell V:
1,468.26 ų (Calculated from Unit Cell)
Z:
2
Morphology:
As tabular crystals, to 150 µm, and irregular grains.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0000465JunoiteMumme W G (1975) Junoite, Cu2Pb3Bi8(S,Se)16, a new sulfosalt from Tennant Creek, Australia: Its crystal structure and relationship with other bismuth sulfosalts American Mineralogist 60 548-55819750293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.55 Å(100)
3.90 Å(80)
2.919 Å(70)
3.23 Å(50)
2.970 Å(50)
3.39 Å(40)
2.213 Å(40)

Geological EnvironmentHide

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

Type Occurrence of JunoiteHide

Place of Conservation of Type Material:
Geology Department, University of New England, Armidale, Australia, R27790.
Associated Minerals at Type Locality:
Reference:
Mumme, W.G. (1975) Junoite, Cu2Pb3Bi8(S,Se)16, a new sulfosalt from Tennant Creek, Australia: Its crystal structure and relationship with other bismuth sulfosalts. American Mineralogist: 60: 548-558.

Synonyms of JunoiteHide

Other Language Names for JunoiteHide

German:Junoit
Simplified Chinese:硒硫铋铜铅矿
Spanish:Junoita

Varieties of JunoiteHide

Se-free JunoiteA selenium-free variety of junoite.

Common AssociatesHide

Associated Minerals Based on Photo Data:
4 photos of Junoite associated with ChalcopyriteCuFeS2
2 photos of Junoite associated with PekoitePbCuBi11S18
2 photos of Junoite associated with KrupkaitePbCuBi3S6
1 photo of Junoite associated with BismuthiniteBi2S3
1 photo of Junoite associated with AikinitePbCuBiS3
1 photo of Junoite associated with Bismutite(BiO)2CO3
1 photo of Junoite associated with Pottsite(Pb3xBi4-2x)(VO4)4 · H2O (0.8 < x < 1.0)

Related Minerals - Strunz-mindat GroupingHide

2.JB.SenandoriteAgPbSb3S6Orth. mm2 : Pmn21
2.JB.OscarkempffiteAg10Pb4(Sb17Bi9)S48Orth. mm2
2.JB.ChukotkaiteAgPb7Sb5S15Mon. 2/m : P21/b
2.JB.ArsenquatrandoriteAg17.6Pb12.8Sb38.1As11.5S96Mon. 2/m : P21/b
2.JB.Clino-oscarkempffiteAg15Pb6Sb21Bi18S72Mon. 2/m : P21/b
2.JB.AndreadiniiteCuHgAg7Pb7Sb24S48Mon. 2/m : P21/b
2.JB.GinelfiteAg2(Ag0.5Fe)TlPb23.5(Sb,As)33.5S76Tric. 1 : P1
2.JB.LazerckeriteAg3.75Pb4.50(Sb7.75Bi4)S24Mon. 2/m
2.JB.LasmanisiteAg12Pb13Mn11Sb44S96Orth. 2 2 2 : P21 21 21
2.JB.MontpelvouxiteAgPb16Sb27As18S84Tric. 1 : P1
2.JB.SelenojunoiteCu2Pb3Bi8Se16Mon. 2/m : B2/m
2.JB.05DiaphoriteAg3Pb2Sb3S8Mon. 2/m : P21/b
2.JB.10CosalitePb2Bi2S5Orth. mmm (2/m 2/m 2/m)
2.JB.15FreieslebeniteAgPbSbS3Mon. 2/m : P21/b
2.JB.15MarriteAgPbAsS3Mon. 2/m : P21/b
2.JB.20CannizzaritePb48Bi56S132Mon. 2/m : P21/m
2.JB.20WittitePb9Bi12(S,Se)27Mon.
2.JB.25iNeyiteAg2Cu6Pb25Bi26S68Mon. 2/m : B2/m
2.JB.25cNordströmiteCuPb3Bi7(Se4S10)Mon. 2/m : P21/m
2.JB.25gNuffielditeCu1.4Pb2.4Bi2.4Sb0.2S7Orth. mmm (2/m 2/m 2/m)
2.JB.25dProuditeCuPb7.5Bi9.33(S,Se)22Mon. 2/m : B2/m
2.JB.25hWeibullitePb5Bi8Se7S11Orth. mmm (2/m 2/m 2/m) : Pnma
2.JB.25bFelbertaliteCu2Pb6Bi8S19Mon. 2/m : B2/m
2.JB.25jRouxeliteCu2HgPb23Sb27S65.5Mon. 2/m : B2/m
2.JB.25fÁngelaiteCu2AgPbBiS4Orth. mmm (2/m 2/m 2/m) : Pnma
2.JB.25iCuproneyiteCu7Pb27Bi25S68Mon. 2/m : B2/m
2.JB.30aGeocronitePb14Sb6S23Mon. 2/m : P21/m
2.JB.30aJordanitePb14As6S23Mon. 2/m : P21/m
2.JB.30bKirkiitePb10Bi3As3S19Mon. 2/m : P21/m
2.JB.30cTsugaruitePb28As15S50ClOrth. mm2 : Pnn2
2.JB.30aMarcobaldiitePb12(Sb3As2Bi)Σ6S21Tric. 1 : P1
2.JB.30aArsenmarcobaldiitePb12(As3.2Sb2.8)Σ6S21Tric. 1 : P1
2.JB.35cPillaitePb9Sb10S23ClO0.5Mon. 2/m : B2/m
2.JB.35aZinkenitePb9Sb22S42Hex. 6 : P63
2.JB.35bScainiitePb14Sb30S54O5Mon. 2/m : B2/m
2.JB.35dPellouxite(Cu,Ag)Pb10Sb12S27O(Cl,S)0.6Mon. 2/m : B2/m
2.JB.35fTubuliteAg2Pb22Sb20S53 Mon. m : Pb
2.JB.35eChovanitePb15-2xSb14+2xS36Ox (x ~ 0.2)Mon. 2/m : B2/m
2.JB.40bAschamalmitePb6-3xBi2+xS9Mon. 2/m : B2/m
2.JB.40aBursaitePb5Bi4S11 (?)Orth.
2.JB.40bEskimoiteAg7Pb10Bi15S36Mon.
2.JB.40aFizélyiteAg5Pb14Sb21S48 Mon. 2/m
2.JB.40aGustaviteAgPbBi3S6Orth. mmm (2/m 2/m 2/m)
2.JB.40aLillianitePb3-2xAgxBi2+xS6Orth. mmm (2/m 2/m 2/m)
2.JB.40cOurayiteAg3Pb4Bi5S13Orth.
2.JB.40aRamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24Mon. 2/m
2.JB.40aRoshchiniteAg19Pb10Sb51S96Orth. mmm (2/m 2/m 2/m) : Pnma
2.JB.40dSchirmeritePbAgBi3S6 - Pb3Ag1.5Bi3.5S9Orth.
2.JB.40aTreasuriteAg7Pb6Bi15S32Mon.
2.JB.40aUchucchacuaiteAgMnPb3Sb5S12Orth. mmm (2/m 2/m 2/m) : Pmmm
2.JB.40eUstarasitePb(Bi,Sb)6S10 (?)
2.JB.40aVikingiteAg5Pb8Bi13S30Mon. 2/m : B2/m
2.JB.40aXilingolitePb3Bi2S6Mon.
2.JB.40bHeyrovskýitePb6Bi2S9Orth. mmm (2/m 2/m 2/m) : Cccm
2.JB.40UM1988-05-S:AgBiCuHgPb(Hg,Ag,Cu,Pb)5Pb5Bi11S27
2.JB.40UM1988-06-S:AgBiCuHgPb(Pb,Hg)12(Cu,Ag)3(Bi,Sb)10(S,Te)27
2.JB.40aQuatrandoriteAgPbSb3S6Mon. 2/m : P21/b
2.JB.40aMenchettiiteAgPb2.40Mn1.60Sb3As2S12Mon. 2/m : P21/b
2.JB.40aTerrywallaceiteAgPb(Sb,Bi)3S6 Mon. 2/m : P21/b
2.JB.40aJasrouxiteAg16Pb4(Sb24As16)S72Tric. 1 : P1
2.JB.40aErzwiesiteAg8Pb12Bi16S40Orth. mmm (2/m 2/m 2/m) : Cmcm
2.JB.40aStaročeskéiteAg0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6Orth. mmm (2/m 2/m 2/m) : Cmcm
2.JB.40aOyoniteAg3Mn2Pb4Sb7As4S24Mon. 2/m
2.JB.40aHolubiteAg3Pb6(Sb8Bi3)S24Mon. 2/m
2.JB.40bBaiamareiteAg4Pb12Fe4Sb20S48Mon. 2/m
2.JB.55GratonitePb9As4S15Trig. 3m : R3m
2.JB.60MarrucciiteHg3Pb16Sb18S46Mon. 2/m : B2/m
2.JB.65VurroitePb20Sn2(Bi,As)22S54Cl6Mon. 2/m : B2/b
2.JB.65TazieffitePb20Cd2(As,Bi)22S50Cl10Mon. 2/m : B2/b
2.JB.70DaliranitePbHgAs2S5Mon.

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 JunoiteHide

References for JunoiteHide

Localities for JunoiteHide

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 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.
Australia (TL)
 
  • Northern Territory
    • Barkly Region
      • Tennant Creek
Mumme (1975) +3 other references
  • Western Australia
    • Kalgoorlie-Boulder Shire
      • Kalgoorlie-Boulder
Mueller +3 other references
Austria
 
  • Carinthia
    • Spittal an der Drau District
      • Flattach
        • Wurten
Paar et al. (1998)
  • Salzburg
    • Tamsweg District
      • Muhr
        • Rotgülden
Putz +4 other references
    • Zell am See District
      • Mittersill
        • Mittersill Scheelite deposit
Topa et al. (2001)
Bulgaria
 
  • Burgas Province
    • Burgas Municipality
      • Burgas
Cook et al. (2002) +1 other reference
  • Yambol Province
    • Tundzha Municipality
      • Bakadzhik Hills
Cook et al. (2002)
Canada
 
  • Ontario
    • Cochrane District
      • Timmins
        • Kidd Township
Pringle et al. (1980) +1 other reference
China
 
  • Hunan
    • Chenzhou
      • Guiyang Co.
Yingchen Ren (1999)
  • Jiangsu
    • Nanjing
      • Jiangning District
Xiangping et al. (2001)
Romania
 
  • Bihor County
    • Nucet
Cook et al. (2002)
  • Caraş-Severin County
Cook et al. (2002)
Szakáll (2002)
Slovakia
 
  • Banská Bystrica Region
    • Brezno District
Koděra (1986)
Sweden
 
  • Dalarna County
    • Falun
Pavel.M. Kartashov (n.d.)
USA
 
  • California
    • Inyo County
      • Darwin Hills
        • Darwin Mining District
          • Darwin
Mineral News: 16 (9) +2 other references
Mineral News: 16 (9) +1 other reference
Dunning et al. (2000)
  • Nevada
    • Lander County
      • Spencer Hot Springs Mining District
Williams (1988)
Uzbekistan
 
  • Tashkent Region
    • Ohangaron District
Kovalenker (2003)
Anthony et al. (1990) +2 other references
 
Mineral and/or Locality  
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