Cesarolite Mineral Data


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General Cesarolite Information

Help on Chemical  Formula: Chemical Formula: PbH2Mn++++3O8
Help on Composition: Composition: Molecular Weight = 502.03 gm
   Manganese  32.83 %  Mn   51.95 % MnO2
   Hydrogen    0.40 %  H     3.59 % H2O
   Lead       41.27 %  Pb   44.46 % PbO
   Oxygen     25.50 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbH2Mn4+3O8
Help on Environment: Environment: In cavities in galena.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1920
Help on Locality: Locality: Sidi-Amer-ben-Salem, Tunisia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Giuseppe R. P. Cesaro (1849-1939), professor of mineralogy and crystallography, University of Liege, Belgium.
 

Cesarolite Image

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Cesarolite

Comments: Black to dark brown botryoidal masses of cesarolite in white calcite.
Location: Sidi-amor-ben-Salem, Tunisia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cesarolite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:7.25222
Help on Cell Dimensions: Cell Dimensions: a = 2.811, c = 20.386, Z = 1; V = 139.50 Den(Calc)= 5.98
Help on Crystal System: Crystal System: TrigonalSpace Group: HEX-R
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.19(1), 2.09(0.8), 1.56(0.5),1.76(0.5), 3.4(0.4), 1.41(0.3), 2.27(0.1), 3.21(0.1),
 

Physical Properties of Cesarolite

Help on Color: Color: Gray, Steel gray.
Help on Density: Density: 5.29
Help on Diaphaniety: Diaphaniety: Opaque
Help on Habit: Habit: Botryoidal - "Grape-like" rounded forms (e.g.. malachite).
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Friable - Loosley cohesive material that granulates with your fingers.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Sub Metallic
 

Optical Properties of Cesarolite

Help on Optical Data: Optical Data: NCalc= 2.65 - from Gladstone-Dale relationship (KC = 0.276) where Ncalc=Dcalc*KC+1
NCalc= 2.46 - from Gladstone-Dale relationship (KC = 0.276) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Cesarolite

Help on Electron Density: Electron Density:

relectron=5.31 gm/cc
note: rCesarolite =5.98 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.09133
Boson Index = 0.90867
Help on Photoelectric: Photoelectric:

PECesarolite = 722.34 barns/electron
U=PECesarolite x relectron=3,837.52 barns/cc.

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

Cesarolite is Not Radioactive

 

Cesarolite Classification

Help on  Dana Class: Dana Class: 7.6.1.1 (7)Multiple Oxides
  (7.6)where A (B)4 X9
  (7.6.1)Dana Group
 
7.6.1.1 Cesarolite PbH2Mn3O8 HEX-R Trig
Help on  Strunz Class: Strunz Class: IV/D.08-80 IV - Oxides
  IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds)
  IV/D.08 - Cryptomelane group
 
IV/D.08-10 Manjiroite (Na,K)(Mn,Mn)8O16·n(H2O) I 4/m 4/m
 
IV/D.08-20 Cryptomelane K(Mn,Mn)8O16 I2/m 2/m
 
IV/D.08-25 Strontiomelane! SrMn6Mn2O16 P 21/m 2/m
 
IV/D.08-30 Priderite (K,Ba)(Ti,Fe)8O16 I 4/m 4/m
 
IV/D.08-33 Henrymeyerite! BaFeTi7O16 I 4/m 4/m
 
IV/D.08-35 Ankangite Ba(Ti,V,Cr)8O16 I 4/m 4/m
 
IV/D.08-40 Mannardite BaTi6V2O16·(H2O) I 41/a 4/m
 
IV/D.08-50 Redledgeite BaTi6Cr2O16·(H2O) I 41/a 4/m
 
IV/D.08-60 Hollandite Ba(Mn,Mn)8O16 I2/m 2/m
 
IV/D.08-70 Coronadite Pb(Mn,Mn)8O16 I2/m 2/m
 
IV/D.08-80 Cesarolite PbH2Mn3O8 HEX-R Trig
 

Other Cesarolite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Cesarolite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Cesarolite

PbH2Mn++++3O8
Dana No: 7.6.1.1 Strunz No: IV/D.08-80
Locality:

 

Notes:

 

 
   
 
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