Litharge Mineral Data + Say LITHARGE


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General Litharge Information

Help on Chemical  Formula: Chemical Formula: PbO
Help on Composition: Composition: Molecular Weight = 223.20 gm
   Lead    92.83 %  Pb  100.00 % PbO
   Oxygen   7.17 %  O
          ______        ______ 
          100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbO
Help on Environment: Environment: Dimorphous with massicot.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1917
Help on Locality: Locality: Cucamonga Peak, San Bernardino Co., California, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in 1917 from a Greek word given by Diocorides to a material obtained in the process of separating lead from silver by pyrometallurgy.
Help on Synonym: Synonym: ICSD 62842
  PDF 5-561
 

Litharge Image

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Litharge   Massicot

Comments: Dark red litharge with brownish-yellow scaly massicot and white cerussite.
Location: Patagonia, Santa Cruz County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Litharge Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.26332
Help on Cell Dimensions: Cell Dimensions: a = 3.976, c = 5.023, Z = 2; V = 79.41 Den(Calc)= 9.33
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/nmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.115(1), 2.809(0.62), 1.872(0.37),
 

Physical Properties of Litharge

Help on Cleavage: Cleavage: [110] Distinct
Help on Color: Color: Red.
Help on Density: Density: 9.14 - 9.355, Average = 9.24
Help on Diaphaniety: Diaphaniety: Transparent
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Greasy (Oily)
Help on Streak: Streak: red
 

Optical Properties of Litharge

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.301 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.289 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1715,KPDmeas= 0.173,KC= 0.133
Help on Optical Data: Optical Data: Uniaxial (-), e=2.535, w=2.665, bire=0.1300.
 

Calculated Properties of Litharge

Help on Electron Density: Electron Density:

relectron=7.52 gm/cc
note: rLitharge =9.33 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.20519
Boson Index = 0.79481
Help on Photoelectric: Photoelectric:

PELitharge =1,767.06 barns/electron
U=PELitharge x relectron=13295.73 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Litharge is Not Radioactive

 

Litharge Classification

Help on  Dana Class: Dana Class: 4.2.4.1 (4)Simple Oxides
  (4.2)with a cation charge of 2+ (A++ O)
  (4.2.4)Dana Group
 
4.2.4.1 Litharge PbO P 4/nmm 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: IV/A.06-20 IV - Oxides
  IV/A - Oxides with metal : oxygen = 1:1 and 2:1 (M2O,MO)
  IV/A.06 - Periclase Group, Montroydite - Massicotite series
 
IV/A.06-10 Montroydite HgO P nma 2/m 2/m 2/m
 
IV/A.06-20 Litharge PbO P 4/nmm 4/m 2/m 2/m
 
IV/A.06-30 Massicot PbO Pbma 2/m 2/m 2/m
 

Other Litharge Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Litharge :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - Scandinavian mineral gallery 14 - WWW-MINCRYST 15 -École des Mines de Paris

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Litharge

PbO
Dana No: 4.2.4.1 Strunz No: IV/A.06-20
Locality:

 

Notes:

 

 
   
 
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