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Roshchinite

A valid IMA mineral species
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06194540017271926244406.jpg
Roshchinite

Kvartsitovje Gorki gold deposit, Aksu, Stepnogorsk, Akmola Region, Kazakhstan
06194540017271926244406.jpg
Roshchinite

Kvartsitovje Gorki gold deposit, Aksu, Stepnogorsk, Akmola Region, Kazakhstan
06194540017271926244406.jpg
Roshchinite

Kvartsitovje Gorki gold deposit, Aksu, Stepnogorsk, Akmola Region, Kazakhstan
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About RoshchiniteHide

Formula:
Ag19Pb10Sb51S96
Colour:
Silver-gray, lead-gray
Lustre:
Metallic
Hardness:
2½ - 3½
Specific Gravity:
5.265
Crystal System:
Orthorhombic
Name:
Named in honor of Yuri Vladimirovich Roshchin (Roschin) (мроĐč Đ’Đ»Đ°ĐŽĐžĐŒĐžŃ€ĐŸĐČоч Đ ĐŸŃ‰ĐžĐœ) (1934-1979), geologist and geochemist with the Central Kazakhstan Geological Administration, Karaganda, Kazakhstan.
This page provides mineralogical data about Roshchinite.


Unique IdentifiersHide

Mindat ID:
3457
Long-form identifier:
mindat:1:1:3457:5

IMA Classification of RoshchiniteHide

Classification of RoshchiniteHide

Strunz-mindat (2026):
2.JB.40a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb
Dana 8th ed.:
3.4.15.7

3 : SULFOSALTS
4 : Ăž = 3
Hey's CIM Ref.:
5.7.24

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

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

Physical Properties of RoshchiniteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Silver-gray, lead-gray
Streak:
Pale steel-gray
Hardness:
2½ - 3½ on Mohs scale
Hardness:
VHN15=95 kg/mm2 - Vickers
Tenacity:
Very brittle
Density:
5.265(15) g/cm3 (Measured)    5.263 g/cm3 (Calculated)

Optical Data of RoshchiniteHide

Anisotropism:
Nearly isotropic in cross section
Bireflectance:
Weak and only seen on prismatic sections
Reflectivity:
WavelengthR1 (%)R2 (%)
400nm36.9% 40.3%
440nm37.0% 40.5%
480nm36.6% 40.3%
520nm36.3% 40.2%
560nm35.7% 39.7%
600nm35.0% 38.9%
640nm34.4% 38.0%
680nm33.6% 37.0%
700nm33.0% 36.3%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 40.5%.
R1 shown in black, R2 shown in red
Colour in reflected light:
silver-white with weak blue tint

Chemistry of RoshchiniteHide

Mindat Formula:
Ag19Pb10Sb51S96
Element Weights:
Element% weight
Sb46.309 %
S22.956 %
Pb15.452 %
Ag15.284 %

Calculated from ideal end-member formula.
Elements listed:
Ag, Pb, S, Sb - search for minerals with similar chemistry
Common Impurities:
Cu,Zn,Hg,Mn

Crystallography of RoshchiniteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm(2/m2/m2/m) - Dipyramidal
Space Group:
Pnma
Setting:
Pnma
Cell Parameters:
a = 12.946(19) Å, b = 19.048(10) Å, c = 16.932(12) Å
Ratio:
a:b:c = 0.68 : 1 : 0.889
Unit Cell V:
4,175.35 ų (Calculated from Unit Cell)
Z:
1
Morphology:
{100}, {210}, {110}, {230}, {010}, {111}, {221}, {252}, {201}, {031}, {041}, and {001}.
Comment:
Incommensurately modulated structure (Makovicky et al., 2018).

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.24 Å(60)
2.85 Å(80)
2.70 Å(60)
1.866 Å(50)
1.765 Å(100)

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 RoshchiniteHide

Synonyms of RoshchiniteHide

Other Language Names for RoshchiniteHide

Relationship of Roshchinite to other SpeciesHide

Member of:
Lillianite Homologous Series Group
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)
HeyrovskĂœitePb6Bi2S9Orth. 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
'Schirmerite'PbAgBi3S6 - Pb3Ag1.5Bi3.5S9Orth.
SenandoriteAgPbSb3S6Orth. mm2 : Pmn21
StaročeskĂ©iteAg0.70Pb1.60(Bi1.35Sb1.35)ÎŁ2.70S6Orth. 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
UstarasitePb(Bi,Sb)6S10 (?)
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)ÎŁ6S21Tric. 1 : P1
2.JB.30bKirkiitePb10Bi3As3S19Mon. 2/m : P21/m
2.JB.30cTsugaruitePb28As15S50ClOrth. mm2 : Pnn2
2.JB.30aMarcobaldiitePb12(Sb3As2Bi)ÎŁ6S21Tric. 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.40eUstarasitePb(Bi,Sb)6S10 (?)
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.40bHeyrovskĂœitePb6Bi2S9Orth. 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.40aStaročeskĂ©iteAg0.70Pb1.60(Bi1.35Sb1.35)ÎŁ2.70S6Orth. mmm(2/m2/m2/m) : Cmcm
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 RoshchiniteHide

References for RoshchiniteHide

Localities for RoshchiniteHide

Showing 5 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.
Hide all sections | Show all sections

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.
Bolivia
 
  • PotosĂ­
    • Sud Chichas Province
      • Atocha Municipality
        • Chocaya-Animas mining district (Animas-Chocaya mining district)
Kempff et al. (La Paz, 2009) +1 other reference
Hungary
 
  • FejĂ©r County
    • SzĂ©kesfehĂ©rvĂĄr District
      • LovasberĂ©ny
        • Meleg Hill
Papp et al. (2022)
Kazakhstan (TL)
 
  • Akmola Region
    • Stepnogorsk
      • Aksu (Aqsu)
DAN-SSSR (1990) +3 other references
Russia
 
  • Sverdlovsk Oblast
    • Serovsky District
      • Turya river
        • Tur'insk
Kasatkin et al. (2020) +1 other reference
Senegal
 
  • Tambacounda Region
Randgold Resources
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