Junoite
A valid IMA mineral species
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About Junoite
Unique Identifiers
Mindat ID:
2124
Long-form identifier:
mindat:1:1:2124:7
GUID
(UUID V4):
(UUID V4):
4ed8511c-e7d4-4f46-88fe-186d38990041
IMA Classification of Junoite
Approved
First published:
1975
Classification of Junoite
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
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 : 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
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 Symbols
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.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Jnt | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Jnt | The 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 Junoite
Metallic
Transparency:
Opaque
Colour:
Gray
Hardness:
3½ - 4 on Mohs scale
Hardness:
VHN100=114 - 213 - Vickers
Cleavage:
Distinct/Good
One good
One good
Density:
6.77 g/cm3 (Calculated)
Optical Data of Junoite
Anisotropism:
Strong
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
400nm | 34.7% | 42.8% |
420nm | 34.8% | 42.7% |
440nm | 35.0% | 42.5% |
460nm | 35.0% | 42.5% |
480nm | 35.0% | 42.5% |
500nm | 34.8% | 42.4% |
520nm | 34.7% | 42.7% |
540nm | 34.6% | 42.2% |
560nm | 34.6% | 42.3% |
580nm | 34.6% | 42.5% |
600nm | 34.6% | 42.7% |
620nm | 34.8% | 42.8% |
640nm | 34.9% | 42.6% |
660nm | 35.0% | 42.4% |
680nm | 35.0% | 42.1% |
700nm | 35.0% | 41.9% |
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 Junoite
Mindat Formula:
Cu2Pb3Bi8(S,Se)16
Common Impurities:
Ag
Crystallography of Junoite
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)°
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 Structure
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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) |
---|---|---|---|---|---|---|---|
0000465 | Junoite | 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 | 1975 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
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 Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Junoite
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 Junoite
Other Language Names for Junoite
Varieties of Junoite
Se-free Junoite | A selenium-free variety of junoite. |
Common Associates
Associated Minerals Based on Photo Data:
4 photos of Junoite associated with Chalcopyrite | CuFeS2 |
2 photos of Junoite associated with Pekoite | PbCuBi11S18 |
2 photos of Junoite associated with Krupkaite | PbCuBi3S6 |
1 photo of Junoite associated with Bismuthinite | Bi2S3 |
1 photo of Junoite associated with Aikinite | PbCuBiS3 |
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 Grouping
2.JB. | Senandorite | AgPbSb3S6 |
2.JB. | Oscarkempffite | Ag10Pb4(Sb17Bi9)S48 |
2.JB. | Chukotkaite | AgPb7Sb5S15 |
2.JB. | Arsenquatrandorite | Ag17.6Pb12.8Sb38.1As11.5S96 |
2.JB. | Clino-oscarkempffite | Ag15Pb6Sb21Bi18S72 |
2.JB. | Andreadiniite | CuHgAg7Pb7Sb24S48 |
2.JB. | Ginelfite | Ag2(Ag0.5Fe)TlPb23.5(Sb,As)33.5S76 |
2.JB. | Lazerckerite | Ag3.75Pb4.50(Sb7.75Bi4)S24 |
2.JB. | Lasmanisite | Ag12Pb13Mn11Sb44S96 |
2.JB. | Montpelvouxite | AgPb16Sb27As18S84 |
2.JB. | Selenojunoite | Cu2Pb3Bi8Se16 |
2.JB.05 | Diaphorite | Ag3Pb2Sb3S8 |
2.JB.10 | Cosalite | Pb2Bi2S5 |
2.JB.15 | Freieslebenite | AgPbSbS3 |
2.JB.15 | Marrite | AgPbAsS3 |
2.JB.20 | Cannizzarite | Pb48Bi56S132 |
2.JB.20 | Wittite | Pb9Bi12(S,Se)27 |
2.JB.25i | Neyite | Ag2Cu6Pb25Bi26S68 |
2.JB.25c | Nordströmite | CuPb3Bi7(Se4S10) |
2.JB.25g | Nuffieldite | Cu1.4Pb2.4Bi2.4Sb0.2S7 |
2.JB.25d | Proudite | CuPb7.5Bi9.33(S,Se)22 |
2.JB.25h | Weibullite | Pb5Bi8Se7S11 |
2.JB.25b | Felbertalite | Cu2Pb6Bi8S19 |
2.JB.25j | Rouxelite | Cu2HgPb23Sb27S65.5 |
2.JB.25f | Ángelaite | Cu2AgPbBiS4 |
2.JB.25i | Cuproneyite | Cu7Pb27Bi25S68 |
2.JB.30a | Geocronite | Pb14Sb6S23 |
2.JB.30a | Jordanite | Pb14As6S23 |
2.JB.30b | Kirkiite | Pb10Bi3As3S19 |
2.JB.30c | Tsugaruite | Pb28As15S50Cl |
2.JB.30a | Marcobaldiite | Pb12(Sb3As2Bi)Σ6S21 |
2.JB.30a | Arsenmarcobaldiite | Pb12(As3.2Sb2.8)Σ6S21 |
2.JB.35c | Pillaite | Pb9Sb10S23ClO0.5 |
2.JB.35a | Zinkenite | Pb9Sb22S42 |
2.JB.35b | Scainiite | Pb14Sb30S54O5 |
2.JB.35d | Pellouxite | (Cu,Ag)Pb10Sb12S27O(Cl,S)0.6 |
2.JB.35f | Tubulite | Ag2Pb22Sb20S53 |
2.JB.35e | Chovanite | Pb15-2xSb14+2xS36Ox (x ~ 0.2) |
2.JB.40b | Aschamalmite | Pb6-3xBi2+xS9 |
2.JB.40a | Bursaite | Pb5Bi4S11 (?) |
2.JB.40b | Eskimoite | Ag7Pb10Bi15S36 |
2.JB.40a | Fizélyite | Ag5Pb14Sb21S48 |
2.JB.40a | Gustavite | AgPbBi3S6 |
2.JB.40a | Lillianite | Pb3-2xAgxBi2+xS6 |
2.JB.40c | Ourayite | Ag3Pb4Bi5S13 |
2.JB.40a | Ramdohrite | Pb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24 |
2.JB.40a | Roshchinite | Ag19Pb10Sb51S96 |
2.JB.40d | Schirmerite | PbAgBi3S6 - Pb3Ag1.5Bi3.5S9 |
2.JB.40a | Treasurite | Ag7Pb6Bi15S32 |
2.JB.40a | Uchucchacuaite | AgMnPb3Sb5S12 |
2.JB.40e | Ustarasite | Pb(Bi,Sb)6S10 (?) |
2.JB.40a | Vikingite | Ag5Pb8Bi13S30 |
2.JB.40a | Xilingolite | Pb3Bi2S6 |
2.JB.40b | Heyrovskýite | Pb6Bi2S9 |
2.JB.40 | UM1988-05-S:AgBiCuHgPb | (Hg,Ag,Cu,Pb)5Pb5Bi11S27 |
2.JB.40 | UM1988-06-S:AgBiCuHgPb | (Pb,Hg)12(Cu,Ag)3(Bi,Sb)10(S,Te)27 |
2.JB.40a | Quatrandorite | AgPbSb3S6 |
2.JB.40a | Menchettiite | AgPb2.40Mn1.60Sb3As2S12 |
2.JB.40a | Terrywallaceite | AgPb(Sb,Bi)3S6 |
2.JB.40a | Jasrouxite | Ag16Pb4(Sb24As16)S72 |
2.JB.40a | Erzwiesite | Ag8Pb12Bi16S40 |
2.JB.40a | Staročeskéite | Ag0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6 |
2.JB.40a | Oyonite | Ag3Mn2Pb4Sb7As4S24 |
2.JB.40a | Holubite | Ag3Pb6(Sb8Bi3)S24 |
2.JB.40b | Baiamareite | Ag4Pb12Fe4Sb20S48 |
2.JB.55 | Gratonite | Pb9As4S15 |
2.JB.60 | Marrucciite | Hg3Pb16Sb18S46 |
2.JB.65 | Vurroite | Pb20Sn2(Bi,As)22S54Cl6 |
2.JB.65 | Tazieffite | Pb20Cd2(As,Bi)22S50Cl10 |
2.JB.70 | Daliranite | PbHgAs2S5 |
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 Junoite
mindat.org URL:
https://www.mindat.org/min-2124.html
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References for Junoite
Localities for Junoite
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).
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.
All localities listed without proper references should be considered as questionable.
Australia (TL) | |
| Mumme (1975) +3 other references |
| Mueller +3 other references |
Austria | |
| Paar et al. (1998) |
| Putz +4 other references |
| Topa et al. (2001) |
Bulgaria | |
| Cook et al. (2002) +1 other reference |
| Cook et al. (2002) |
Canada | |
| Pringle et al. (1980) +1 other reference |
China | |
| Yingchen Ren (1999) |
| Xiangping et al. (2001) |
Romania | |
| Cook et al. (2002) |
| Cook et al. (2002) |
Szakáll (2002) | |
Slovakia | |
| Koděra (1986) |
Sweden | |
| Pavel.M. Kartashov (n.d.) |
USA | |
| Mineral News: 16 (9) +2 other references |
Mineral News: 16 (9) +1 other reference | |
Dunning et al. (2000) | |
| Williams (1988) |
Uzbekistan | |
| Kovalenker (2003) |
Anthony et al. (1990) +2 other references |
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Juno Mine, Tennant Creek, Barkly Region, Northern Territory, Australia