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Ustarasite

A valid IMA mineral species - grandfathered - questionable
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Formula:
Pb(Bi,Sb)6S10 (?)
Colour:
Silver-grey, white in reflected light.
Lustre:
Metallic
Hardness:
Name:
Named after its discovery locality, the Ustarasay deposit, Uzbekistan.
"Ustarasite was defined by Sakharova (1955) on the basis of chemical analysis and X-ray powder data. The mineral is compositionally close to synthetic Phase V of Otto & Strunz (1968), which is ∼PbBi4S7 (lillianite–pavonite super-family).
Unit-cell data are needed to validate ustarasite." (Moëlo et al., 2008).

Questionable, possibly a mixture.


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Unique IdentifiersHide

Mindat ID:
4123
Long-form identifier:
mindat:1:1:4123:8

IMA Classification of UstarasiteHide

Approved, 'Grandfathered' (first described prior to 1959), Questionable
IMA Formula:
Pb2+(Bi3+,Sb3+)6S2-10

Classification of UstarasiteHide

2.JB.40e

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb
3.8.11.1

3 : SULFOSALTS
8 : 1 < ø < 2
5.6.33

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
6 : Sulpharsenites etc. of Pb alone

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

Physical Properties of UstarasiteHide

Metallic
Transparency:
Opaque
Colour:
Silver-grey, white in reflected light.
Hardness:
2½ on Mohs scale
Cleavage:
Perfect
One perfect; another present

Optical Data of UstarasiteHide

Anisotropism:
Strong
Colour in reflected light:
white

Chemistry of UstarasiteHide

Mindat Formula:
Pb(Bi,Sb)6S10 (?)
Common Impurities:
Cu,Fe,As

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.53 Å(100)
1.102 Å(100)
1.057 Å(100)
3.08 Å(70)
2.508 Å(70)
1.915 Å(70)
1.732 Å(70)

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 UstarasiteHide

Other Language Names for UstarasiteHide

German:Ustarasit
Simplified Chinese:柱硫铋铅矿
Spanish:Ustarasita

Varieties of UstarasiteHide

Silver-bearing UstarasiteA variety of ustarasite that contains up to about 5% (w/w) of silver.

Relationship of Ustarasite to other SpeciesHide

Other Members of Lillianite Homologous Series:
AndreadiniiteCuHgAg7Pb7Sb24S48Mon. 2/m : P21/b
ArsenquatrandoriteAg17.6Pb12.8Sb38.1As11.5S96Mon. 2/m : P21/b
AschamalmitePb6-3xBi2+xS9Mon. 2/m : B2/m
BaiamareiteAg4Pb12Fe4Sb20S48Mon. 2/m
BrusnitsyniteMn3CuPbAs3Sb2S12Mon. 2/m : P21/b
Clino-oscarkempffiteAg15Pb6Sb21Bi18S72Mon. 2/m : P21/b
ErzwiesiteAg8Pb12Bi16S40Orth. mmm(2/m2/m2/m) : Cmcm
EskimoiteAg7Pb10Bi15S36Mon.
FizélyiteAg5Pb14Sb21S48 Mon. 2/m
GustaviteAgPbBi3S6Orth. mmm(2/m2/m2/m)
HeyrovskýitePb6Bi2S9Orth. mmm(2/m2/m2/m) : Cccm
HolubiteAg3Pb6(Sb8Bi3)S24Mon. 2/m
JasrouxiteAg16Pb4(Sb25As15)S72Tric. 1 : P1
LasmanisiteAg12Pb13Mn11Sb44S96Orth. 222 : P212121
LazerckeriteAg3.75Pb4.50(Sb7.75Bi4)S24Mon. 2/m : P21/b
LillianitePb3-2xAgxBi2+xS6Orth. mmm(2/m2/m2/m)
MenchettiiteAgPb2.40Mn1.60Sb3As2S12Mon. 2/m : P21/b
OscarkempffiteAg10Pb4(Sb17Bi9)S48Orth. mm2
OurayiteAg3Pb4Bi5S13Orth.
OyoniteAg3Mn2Pb4Sb7As4S24Mon. 2/m
QuatrandoriteAgPbSb3S6Mon. 2/m : P21/b
RamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24Mon. 2/m
RoshchiniteAg19Pb10Sb51S96Orth. mmm(2/m2/m2/m) : Pnma
'Schirmerite'PbAgBi3S6 - Pb3Ag1.5Bi3.5S9Orth.
SenandoriteAgPbSb3S6Orth. mm2 : Pmn21
StaročeskéiteAg0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6Orth. mmm(2/m2/m2/m) : Cmcm
TarutinoiteAg3Pb7Bi7S19Mon. 2/m : B2/m
TerrywallaceiteAgPb(Sb,Bi)3S6Mon. 2/m : P21/b
TreasuriteAg7Pb6Bi15S32Mon.
UchucchacuaiteAgMnPb3Sb5S12Orth. mmm(2/m2/m2/m) : Pmmm
VikingiteAg5Pb8Bi13S30Mon. 2/m : B2/m
XilingolitePb3Bi2S6Mon.

Related Minerals - Strunz-mindat GroupingHide

2.JB.Clino-oscarkempffiteAg15Pb6Sb21Bi18S72Mon. 2/m : P21/b
2.JB.ArsenquatrandoriteAg17.6Pb12.8Sb38.1As11.5S96Mon. 2/m : P21/b
2.JB.GinelfiteAg2(Ag0.5Fe)TlPb23.5(Sb,As)33.5S76Tric. 1 : P1
2.JB.AndreadiniiteCuHgAg7Pb7Sb24S48Mon. 2/m : P21/b
2.JB.ChukotkaiteAgPb7Sb5S15Mon. 2/m : P21/b
2.JB.SelenojunoiteCu2Pb3Bi8Se16Mon. 2/m : B2/m
2.JB.LechneriteAg10Cu4HgPb33Sb58S128Tric. 1 : P1
2.JB.Cuprosenandorite Ag16Cu8Pb24Sb72S144Orth. mm2 : Pna21
2.JB.MorleyiteAg2CuPb25Sb24As4S68.5Tric. 1 : P1
2.JB.LazerckeriteAg3.75Pb4.50(Sb7.75Bi4)S24Mon. 2/m : P21/b
2.JB.LasmanisiteAg12Pb13Mn11Sb44S96Orth. 222 : P212121
2.JB.MontpelvouxiteAgPb16Sb27As18S84Tric. 1 : P1
2.JB.SenandoriteAgPbSb3S6Orth. mm2 : Pmn21
2.JB.OscarkempffiteAg10Pb4(Sb17Bi9)S48Orth. mm2
2.JB.05DiaphoriteAg3Pb2Sb3S8Mon. 2/m : P21/b
2.JB.10CosalitePb2Bi2S5Orth. mmm(2/m2/m2/m)
2.JB.15MarriteAgPbAsS3Mon. 2/m : P21/b
2.JB.15FreieslebeniteAgPbSbS3Mon. 2/m : P21/b
2.JB.20CannizzaritePb48Bi56S132Mon. 2/m : P21/m
2.JB.20WittitePb9Bi12(S,Se)27Mon.
2.JB.25jRouxeliteCu2HgPb23Sb27S65.5Tric. 1 : P1
2.JB.25iNeyiteAg2Cu6Pb25Bi26S68Mon. 2/m : B2/m
2.JB.25aJunoiteCu2Pb3Bi8(S,Se)16Mon. 2/m : B2/m
2.JB.25fÁngelaiteCu2AgPbBiS4Orth. mmm(2/m2/m2/m) : Pnma
2.JB.25eGalenobismutitePbBi2S4Orth. mmm(2/m2/m2/m)
2.JB.25cNordströmiteCuPb3Bi7(Se4S10)Mon. 2/m : P21/m
2.JB.25iCuproneyiteCu7Pb27Bi25S68Mon. 2/m : B2/m
2.JB.25gNuffielditeCu1.4Pb2.4Bi2.4Sb0.2S7Orth. mmm(2/m2/m2/m)
2.JB.25hWeibullitePb5Bi8Se7S11Orth. mmm(2/m2/m2/m) : Pnma
2.JB.25dProuditeCuPb7.5Bi9.33(S,Se)22Mon. 2/m : B2/m
2.JB.25bFelbertaliteCu2Pb6Bi8S19Mon. 2/m : B2/m
2.JB.30aJordanitePb14As6S23Mon. 2/m : P21/m
2.JB.30aGeocronitePb14Sb6S23Mon. 2/m : P21/m
2.JB.30aArsenmarcobaldiitePb12(As3.2Sb2.8)Σ6S21Tric. 1 : P1
2.JB.30bKirkiitePb10Bi3As3S19Mon. 2/m : P21/m
2.JB.30cTsugaruitePb28As15S50ClOrth. mm2 : Pnn2
2.JB.30aMarcobaldiitePb12(Sb3As2Bi)Σ6S21Tric. 1 : P1
2.JB.35dPellouxite(Cu,Ag)Pb10Sb12S27O(Cl,S)0.6Mon. 2/m : B2/m
2.JB.35eChovanitePb15-2xSb14+2xS36Ox (x ~ 0.2)Mon. 2/m : B2/m
2.JB.35aZinkenitePb9Sb22S42Hex. 6 : P63
2.JB.35cPillaitePb9Sb10S23ClO0.5Mon. 2/m : B2/m
2.JB.35bScainiitePb14Sb30S54O5Mon. 2/m : B2/m
2.JB.35fTubuliteAg2Pb22Sb20S53 Mon. m : Pb
2.JB.40aFizélyiteAg5Pb14Sb21S48 Mon. 2/m
2.JB.40aRamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24Mon. 2/m
2.JB.40a'Bursaite'Pb5Bi4S11 (?)Orth.
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.40aTerrywallaceiteAgPb(Sb,Bi)3S6Mon. 2/m : P21/b
2.JB.40aJasrouxiteAg16Pb4(Sb25As15)S72Tric. 1 : P1
2.JB.40aTarutinoiteAg3Pb7Bi7S19Mon. 2/m : B2/m
2.JB.40aOyoniteAg3Mn2Pb4Sb7As4S24Mon. 2/m
2.JB.40bHeyrovskýitePb6Bi2S9Orth. mmm(2/m2/m2/m) : Cccm
2.JB.40aQuatrandoriteAgPbSb3S6Mon. 2/m : P21/b
2.JB.40aErzwiesiteAg8Pb12Bi16S40Orth. mmm(2/m2/m2/m) : Cmcm
2.JB.40aVikingiteAg5Pb8Bi13S30Mon. 2/m : B2/m
2.JB.40aLillianitePb3-2xAgxBi2+xS6Orth. mmm(2/m2/m2/m)
2.JB.40bBaiamareiteAg4Pb12Fe4Sb20S48Mon. 2/m
2.JB.40aStaročeskéiteAg0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6Orth. mmm(2/m2/m2/m) : Cmcm
2.JB.40aRoshchiniteAg19Pb10Sb51S96Orth. mmm(2/m2/m2/m) : Pnma
2.JB.40bAschamalmitePb6-3xBi2+xS9Mon. 2/m : B2/m
2.JB.40bEskimoiteAg7Pb10Bi15S36Mon.
2.JB.40aMenchettiiteAgPb2.40Mn1.60Sb3As2S12Mon. 2/m : P21/b
2.JB.40aHolubiteAg3Pb6(Sb8Bi3)S24Mon. 2/m
2.JB.40aBrusnitsyniteMn3CuPbAs3Sb2S12Mon. 2/m : P21/b
2.JB.40aTreasuriteAg7Pb6Bi15S32Mon.
2.JB.40cOurayiteAg3Pb4Bi5S13Orth.
2.JB.40aUchucchacuaiteAgMnPb3Sb5S12Orth. mmm(2/m2/m2/m) : Pmmm
2.JB.40d'Schirmerite'PbAgBi3S6 - Pb3Ag1.5Bi3.5S9Orth.
2.JB.40aXilingolitePb3Bi2S6Mon.
2.JB.40aGustaviteAgPbBi3S6Orth. mmm(2/m2/m2/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 UstarasiteHide

References for UstarasiteHide

Localities for UstarasiteHide

Showing 12 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.
China
 
  • Guangdong
    • Chaozhou
      • Raoping Co.
Zhenru Zhang et al. (1987)
  • Hainan
    • Ledong Co.
Bin Shu et al. (2006)
  • Jiangxi
    • Ganzhou
      • Anyuan Co.
Yingchen Ren et al. (1986) +4 other references
      • Yudu Co.
[var: Silver-bearing Ustarasite] Zhenru Zhang et al. (1987) +2 other references
Greece
 
  • Attica
    • East Attica
      • Lavreotiki
        • Agios Konstantinos (Kamariza)
Voudouris (2005) +1 other reference
Kazakhstan
 
  • Akmola Region
    • Stepnogorsk
      • Stepnyak group
Spiridonov (1982)
Serbia
 
Slobodan A. Radosavljević et al. (2013) +1 other reference
Slobodan A. Radosavljević et al. (2016)
Spain
 
  • Galicia
    • A Coruña
      • Malpica
Minero (2014)
USA
 
  • Alaska
    • Fairbanks North Star Borough
      • Fairbanks Mining District
Walsh et al. (1991)
Uzbekistan (TL)
 
  • Tashkent Region
    • Pskem Range
      • Brichmulla village
Sakharova (1955) +1 other reference
 
and/or  
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