Mineralogy Database

Owyheeite Mineral Data

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General Owyheeite Information

Help on Chemical  Formula: Chemical Formula: Pb7Ag2(Sb,Bi)8S20
Help on Composition: Composition: Molecular Weight = 3,455.92 gm
   Silver     6.24 %  Ag
   Bismuth   12.09 %  Bi
   Antimony  21.14 %  Sb
   Lead      41.97 %  Pb
   Sulfur    18.56 %  S
            100.00 % 
Help on Empirical Formula: Empirical Formula: Pb7Ag2Sb6Bi2S20
Help on Environment: Environment: In veins of hydrothermal origin.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1921
Help on Locality: Locality: Poorman Mine, Silver City district, Owyhee County, Idaho, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Owyheeite + Pronunciation Say OWYHEEITE

Owyheeite Image

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Comments: Acicular owyheeite microcrystals in quartz.
Location: Lower Magnolia Mine, Morey District, Nye County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Owyheeite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8389:1:0.3011
Help on Cell Dimensions: Cell Dimensions: a = 22.82, b = 27.2, c = 8.19, Z = 6; V = 5,083.57 Den(Calc)= 6.77
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnam
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.25(1), 3.49(0.7), 2.84(0.6),

Physical Properties of Owyheeite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Lead gray, Gray blue, Yellowish, Silver gray.
Help on Density: Density: 6.22 - 6.51, Average = 6.36
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Habit: Habit: Massive - Fibrous - Distinctly fibrous fine-grained forms.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: reddish brown

Optical Properties of Owyheeite

Help on RL Anisotrophism: RL Anisotrophism: Strong, yellowish white to gray.
Help on RL Color: RL Color: Gray-white.
Help on RL Pleochroism: RL Pleochroism: Distinct.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Owyheeite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   41.50   46.00 
 420 nm   40.90   45.90 
 440 nm   40.30   45.80 
 460 nm   39.70   45.60 
 480 nm   39.20   45.50 
 500 nm   38.80   45.20 
 520 nm   38.40   45.00 
 540 nm   38.00   44.60 
 560 nm   37.70   44.20 
 580 nm   37.40   43.70 
 600 nm   37.10   43.20 
 620 nm   36.70   42.50 
 640 nm   36.30   41.90 
 660 nm   35.80   41.10 
 680 nm   35.30   40.30 
 700 nm   34.70   39.50 
Calculated Relative Intensity Colors of Owyheeite in Air
   0%   30%   60%   90% 100% 120% 150% 180% 210% 240%

Calculated Properties of Owyheeite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.72 gm/cc
note: Specific Gravity of Owyheeite =6.77 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.09
Boson Index = 0.91
Help on Photoelectric: Photoelectric: PEOwyheeite =1,084.39 barns/electron
U=PEOwyheeite x rElectron Density=6,202.90 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Owyheeite is Not Radioactive

Owyheeite Classification

Help on  Dana Class: Dana Class: (03)Sulfides - Sulfosalts
  (03.05)where 2.5 < z/y < 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.05.10)Dana Group Owyheeite Pb7Ag2(Sb,Bi)8S20 Pnam 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.HC.35 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.H - Sulfosalts of SnS Archetype
  02.HC -With only Pb
02.HC.35 Owyheeite Pb7Ag2(Sb,Bi)8S20 Pnam 2/m 2/m 2/m
02.HC.35 Zoubekite AgPb4Sb4S10 Unk Ortho

Other Owyheeite Information

Help on References: References: NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Owyheeite :
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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Dana No: Strunz No: 02.HC.35





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