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Plattnerite Mineral Data

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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 Name Pronunciation: Name Pronunciation: Plattnerite + Pronunciation Say PLATTNERITE
Help on Synonym: Synonym: ICSD 34234
  PDF 41-1492

Plattnerite Image

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Comments: Rhombic calcite crystals with overgrowth of sparkling black plattnerite crystals.
Location: Ojuela mine, Mapimí, Mun. de Mapimí, 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 Dipyramidal H-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),

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 Diaphaneity: Diaphaneity: 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: Non-fluorescent.
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
Ncalc = 1.81 - 2.01
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
   0%   60% 100% 120% 180% 240% 300% 360% 420% 480% 540% 550%

Calculated Properties of Plattnerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=7.43 gm/cc
note: Specific Gravity of Plattnerite =9.07 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.19
Boson Index = 0.81
Help on Photoelectric: Photoelectric: PEPlattnerite =1,622.85 barns/electron
U=PEPlattnerite x rElectron Density=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: (04)Simple Oxides
  (04.04)with a cation charge of 4+ (A++++ O2)
  (04.04.01)Rutile group (Tetragonal: P4/mnm) Rutile TiO2 P 4/mnm 4/m 2/m 2/m Ilmenorutile (Ti,Nb,Fe)O2 P 4/mnm 4/m 2/m 2/m Struverite? (Ti,Ta,Fe)O2 P 4/mnm 4/m 2/m 2/m Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m Argutite GeO2 P 4/mnm 4/m 2/m 2/m Squawcreekite? (Fe,Sb,W)O4•(H2O) P 4/mnm 4/m 2/m 2/m Stishovite SiO2 P 4/mnm 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.DB.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DB -With medium-sized cations; chains of edge-sharing octahedra
04.DB.05 Argutite GeO2 P 4/mnm 4/m 2/m 2/m
04.DB.05 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m
04.DB.05 Rutile TiO2 P 4/mnm 4/m 2/m 2/m
04.DB.05 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m
04.DB.05 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m
04.DB.05 Varlamoffite* (Sn,Fe)(O,OH)2 P 41/mnm 4/m 2/m 2/m
04.DB.05 Squawcreekite? (Fe,Sb,W)O4•(H2O) P 4/mnm 4/m 2/m 2/m
04.DB.05 Tugarinovite MoO2 P 21/n 2/m
04.DB.05 Tripuhyite FeSbO4 P 41/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 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - HyperPhysics
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info

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Dana No: Strunz No: 04.DB.05





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