Plattnerite Mineral Data + Say PLATTNERITE

General Plattnerite Information
Help on Chemical Formula: Chemical Formula: PbO2
Help on Composition: Composition: Molecular Weight = 239.20 gm
   Lead    86.62 %  Pb  100.00 % PbO2
   Oxygen  13.38 %  O
          ______        ______ 
          100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbO2
Help on Environment: Environment: In weathered hydrothermal base-maela deposits, oxidized in arid climates. Dimorphous with scrutinyite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1845
Help on Locality: Locality: Leadhills, Lanark, Scotland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the German metallurgist, K. F. Plattner (1800-1858).
Help on Synonym: Synonym: ICSD 34234
  PDF 41-1492
 

Plattnerite Image

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Plattnerite

Comments: Rhombic calcite crystals with overgrowth of sparkling black plattnerite crystals.
Location: Ojuela mine, Mapim?, Mun. de Mapim?, Durango, Mexico. Scale: 5x3x2 cm..
© John Betts - Fine Minerals

Plattnerite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.85892
Help on Cell Dimensions: Cell Dimensions: a = 3.92, c = 3.367, Z = 1; V = 51.74 Den(Calc)= 7.68
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/mnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.856(1), 2.8(1), 3.5(1),
Click Here for Large Plattnerite Structure Window Crystal Structure:

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Baur W H , Khan A A , Acta Crystallographica, Section B , 27 (1971) p.2133-2139, Rutile-type compounds. VI., SiO2, GeO2 and a comparison with other rutile-type structures, Note: data from Leciejewicz and Padlo (1962)

 

Physical Properties of Plattnerite

Help on Cleavage: Cleavage: None
Help on Color: Color: Brownish black, Iron black, Black.
Help on Density: Density: 8.5 - 9.63, Average = 9.06
Help on Diaphaniety: Diaphaniety: Subtranslucent to opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luminescence: Luminescence: None.
Help on Luster: Luster: Sub Metallic
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: chestnut brown
 

Optical Properties of Plattnerite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.366 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.612 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1693,KPDmeas= 0.1434,KC= 0.105
Help on Optical Data: Optical Data: Uniaxial (-), e=2.25, w=2.35, bire=0.1000.
Help on RL Anisotrophism: RL Anisotrophism: Noticeable, midnight blue.
Help on RL Color: RL Color: Gray-white, with red-brown internal reflections.
Help on RL Pleochroism: RL Pleochroism: Distinct.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Plattnerite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   18.50   21.30 
   
 420 nm   18.40   21.90 
 440 nm   18.50   21.50 
 460 nm   18.50   20.20 
 480 nm   18.50   19.80 
 500 nm   18.40   19.40 
 520 nm   18.20   18.90 
 540 nm   17.90   18.40 
 560 nm   17.50   18.00 
 580 nm   17.00   17.40 
 600 nm   16.50   16.90 
 620 nm   16.00   16.40 
 640 nm   15.50   15.90 
 660 nm   15.00   15.40 
 680 nm   14.40   15.00 
 700 nm   14.00   14.50 
Calculated Relative Intensity Colors of Plattnerite in Air
Relative
Intensity		    0%   60% 100% 120% 180% 240% 300% 360% 420% 480% 540% 550%
R1                        
R2                        
 

Calculated Properties of Plattnerite

Help on Electron Density: Electron Density:

relectron=7.43 gm/cc
note: rPlattnerite =9.07 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.19149
Boson Index = 0.80851
Help on Photoelectric: Photoelectric:

PEPlattnerite =1,622.85 barns/electron
U=PEPlattnerite x relectron=12054.30 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Plattnerite is Not Radioactive
 

Plattnerite Classification
Help on Dana Class: Dana Class: 4.4.1.6 (4)Simple Oxides
  (4.4)with a cation charge of 4+ (A++++ O2)
  (4.4.1)Rutile group (Tetragonal: P4/mnm)
 
4.4.1.1 Rutile TiO2 P 4/mnm 4/m 2/m 2/m
 
4.4.1.2 Ilmenorutile (Ti,Nb,Fe)O2 P 4/mnm 4/m 2/m 2/m
 
4.4.1.3 Struverite (Ti,Ta,Fe)O2 P 4/mnm 4/m 2/m 2/m
 
4.4.1.4 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m
 
4.4.1.5 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m
 
4.4.1.6 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m
 
4.4.1.7 Argutite GeO2 P 4/mnm 4/m 2/m 2/m
 
4.4.1.8 Squawcreekite? (Fe,Sb,W)O4·(H2O) P 4/mnm 4/m 2/m 2/m
 
4.4.1.9 Stishovite SiO2 P 4/mnm 4/m 2/m 2/m
Help on Strunz Class: Strunz Class: IV/D.02-60 IV - Oxides
  IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds)
  IV/D.02 - Rutile group, Rutile - Cassiterite - Platnerite series
 
IV/D.02-10 Rutile TiO2 P 4/mnm 4/m 2/m 2/m
 
IV/D.02-20 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m
 
IV/D.02-30 Squawcreekite? (Fe,Sb,W)O4·(H2O) P 4/mnm 4/m 2/m 2/m
 
IV/D.02-40 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m
 
IV/D.02-45 Argutite GeO2 P 4/mnm 4/m 2/m 2/m
 
IV/D.02-50 Paratellurite TeO2 P 41212,P 43212 4 2 2
 
IV/D.02-60 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m
 

Other Plattnerite Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Plattnerite :
1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 -Athena 4 - Crocoite.com Mineral Locations 5 - EUROmin Project 6 -Google Images 7 -Google Scholar 8 -Handbook of Mineralogy (UofA) 9 - HyperPhysics 10 -MinDAT 11 -MinMax(Deutsch) 12 -MinMax(English) 13 -Mineralienatlas (Deutsch) 14 -QUT Mineral Atlas 15 - WWW-MINCRYST 16 -École des Mines de Paris

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Plattnerite

PbO2
Dana No: 4.4.1.6 Strunz No: IV/D.02-60
Locality:

 

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