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Uchucchacuaite Mineral Data

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General Uchucchacuaite Information

Help on Chemical  Formula: Chemical Formula: AgPb3MnSb5S12
Help on Composition: Composition: Molecular Weight = 1,777.95 gm
   Manganese   3.09 %  Mn
   Silver      6.07 %  Ag
   Antimony   34.24 %  Sb
   Lead       34.96 %  Pb
   Sulfur     21.64 %  S
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: AgPb3Mn3+Sb5S12
Help on Environment: Environment: In a telescoped hydrothermal deposit.
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: Uchuc-Chacua deposit, Cajatambo Province, Peru. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Uchucchacuaite + Pronunciation Say UCHUCCHACUAITE
 

Uchucchacuaite Image

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  Uchucchacuaite

Comments: Corroded grain of uchucchacuaite in matrix.
Location: Bera Basin #4 mine, King Co., Washington, USA. Scale: Crystal size 1 mm.
© Tom Loomis / Dakota Matrix

Uchucchacuaite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.6557:1:0.2267
Help on Cell Dimensions: Cell Dimensions: a = 12.67, b = 19.32, c = 4.38, Z = 2; V = 1,072.16 Den(Calc)= 5.51
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P mmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.3(1), 2.9(0.8), 3.8(0.3),
 

Physical Properties of Uchucchacuaite

Help on Color: Color: Lead gray.
Help on Density: Density: 5.16
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Habit: Habit: Twinning Common - Crystals are usually twinned.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Metallic
 

Optical Properties of Uchucchacuaite

Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Uchucchacuaite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   36.20   44.30 
   
 420 nm   36.30   44.20 
 440 nm   35.80   44.20 
 460 nm   35.20   43.80 
 480 nm   35.00   43.90 
 500 nm   34.70   43.70 
 520 nm   34.50   43.40 
 540 nm   34.10   43.30 
 560 nm   33.80   43.00 
 580 nm   33.50   42.60 
 600 nm   33.20   42.40 
 620 nm   33.00   42.00 
 640 nm   32.70   41.80 
 660 nm   32.30   41.20 
 680 nm   31.80   40.60 
 700 nm   31.20   39.90 
Calculated Relative Intensity Colors of Uchucchacuaite in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 270%
R1                      
R2                      
 

Calculated Properties of Uchucchacuaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.74 gm/cc
note: Specific Gravity of Uchucchacuaite =5.51 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.07
Boson Index = 0.93
Help on Photoelectric: Photoelectric: PEUchucchacuaite = 758.93 barns/electron
U=PEUchucchacuaite x rElectron Density=3,598.52 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Uchucchacuaite is Not Radioactive
 

Uchucchacuaite Classification

Help on  Dana Class: Dana Class: 03.04.15.05 (03)Sulfides - Sulfosalts
  (03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.04.15)Lillianite Group (Orthorhombic, AmBnS6 where A=Pb, Ag, Mn and B=Sb, Bi)
 
03.04.15.01 Lillianite Pb3Bi2S6 Bbmm 2/m 2/m 2/m
 
03.04.15.02 Bursaite? Pb5Bi4S11 Bbmm 2/m 2/m 2/m
 
03.04.15.03 Gustavite PbAgBi3S6(?) Bbmm 2/m 2/m 2/m
 
03.04.15.04 Andorite PbAgSb3S6 Pmma 2/m 2/m 2/m
 
03.04.15.05 Uchucchacuaite AgPb3MnSb5S12 P mmm 2/m 2/m 2/m
 
03.04.15.06 Ramdohrite Ag3Pb6Sb11S24 P 2/n 2/m
 
03.04.15.07 Roshchinite Ag19Pb10Sb51S96orPb(Ag,Cu)2(Sb,As)5S10 Pmna 2/m 2/m 2/m
 
03.04.15.08 Fizelyite Pb14Ag5Sb21S48(?) P 21/n 2/m
Help on  Strunz Class: Strunz Class: 02.JB.40a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.J - Sulfosalts of PbS Archetype
  02.JB -Galena derivatives, with Pb
 
02.JB.40a Fizelyite Pb14Ag5Sb21S48(?) P 21/n 2/m
 
02.JB.40a Andorite PbAgSb3S6 Pmma 2/m 2/m 2/m
 
02.JB.40a Bursaite? Pb5Bi4S11 Bbmm 2/m 2/m 2/m
 
02.JB.40a Gustavite PbAgBi3S6(?) Bbmm 2/m 2/m 2/m
 
02.JB.40a Lillianite Pb3Bi2S6 Bbmm 2/m 2/m 2/m
 
02.JB.40a Roshchinite Ag19Pb10Sb51S96orPb(Ag,Cu)2(Sb,As)5S10 Pmna 2/m 2/m 2/m
 
02.JB.40a Uchucchacuaite AgPb3MnSb5S12 P mmm 2/m 2/m 2/m
 
02.JB.40a Ramdohrite Ag3Pb6Sb11S24 P 2/n 2/m
 
02.JB.40a Xilingolite Pb3Bi2S6 C 2/m 2/m
 
02.JB.40a Treasurite Ag7Pb6Bi15S32 B2/m 2/m
 
02.JB.40a Vikingite Ag5Pb8Bi13S30 C 2/m 2/m
 

Other Uchucchacuaite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Uchucchacuaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Uchucchacuaite

AgPb3MnSb5S12
Dana No: 03.04.15.05 Strunz No: 02.JB.40a
Locality:

 

Notes:

 

 
   
 


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