Mineralogy Database

Plumbophyllite Mineral Data

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General Plumbophyllite Information

Help on Chemical  Formula: Chemical Formula: Pb2Si4O10•H2O
Help on Composition: Composition: Molecular Weight = 704.75 gm
   Silicon   15.94 %  Si   34.10 % SiO2
   Hydrogen   0.29 %  H     2.56 % H2O
   Lead      58.80 %  Pb   63.34 % PbO
   Oxygen    24.97 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb2Si4O10•(H2O)
Help on Environment: Environment: New structure type
Help on IMA Status: IMA Status: Proposed IMA 2008
Help on Locality: Locality: Blue Bell claims in the Soda Mountains, San Bernardino County, California, U.S.A. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Greek for the morphology and composition.
Help on Synonym: Synonym: IMA2008-025
 

Plumbophyllite Image

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  Plumbophyllite

Comments: Light blue, compact, radial, thin platy crystals of plumbophyllite in matrix.
Location: Blue Bell Claims, San Bernardino Co., California, USA. Scale: Overall: 5 x 4.5 x 5 cm.
© Tom Loomis / Dakota Matrix

Plumbophyllite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.3501:1:0.8846
Help on Cell Dimensions: Cell Dimensions: a = 13.2083, b = 9.7832, c = 8.6545, V = 1,118.33
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P bcn
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.623(1), 7.883(0.97), 2.938(0.57),2.555(0.51), 2.243(0.5), 3.166(0.45), 4.897(0.38), 6.625(0.35),
 

Physical Properties of Plumbophyllite

Help on Color: Color: Lght blue.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Luster: Luster: Vitreous - Pearly
 

Optical Properties of Plumbophyllite

Help on Optical Data: Optical Data:
 

Calculated Properties of Plumbophyllite

Help on Fermion Index: Fermion Index: Fermion Index = 0.13
Boson Index = 0.87
Help on Photoelectric: Photoelectric: PEPlumbophyllite =1,026.74 barns/electron
U=PEPlumbophyllite x rElectron Density= . barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Plumbophyllite is Not Radioactive
 

Plumbophyllite Classification

Help on  Dana Class: Dana Class: 78.00.00.00 (78)Unclassified Silicate Minerals
  (78.00)Without Dana Classification Numbers
  (78.00.00)Silicate, Unclassified
 
78.00.00.00 Almbosite? Fe5Fe4V4Si3O27 Ortho ? Ortho
 
78.00.00.00 Chelyabinskite* (Ca,Mg)3Si(OH)6(SO4,CO3)2•9(H2O) Unk Ortho
 
78.00.00.00 Cryptophyllite K2Ca[Si4O10]•5H2O P 21/n 2/m
 
78.00.00.00 IMA2007-041T Na2[Ti4O2(OH)2(SiO4)3]•6H2O R 3m 3m
 
78.00.00.00 IMA2009-001 Ba5(Ca,REE,Y)22(Ti,Nb)18(SiO4)4[(PO4),(SiO4)]4(BO3)9O22[(OH),F]43(H2O)1.5 R 3 3
 
78.00.00.00 Iddingsite? MgO.Fe2O3.3SiO2•4(H2O) Ortho
 
78.00.00.00 Ivanyukite-Cu Cu[Ti4(OH)2O2(SiO4)3]•7H2O P 4 3m 4 3m
 
78.00.00.00 Ivanyukite-K K2[Ti4(OH)2O2(SiO4)3]•9H2O P 4 3m 4 3m
 
78.00.00.00 Ivanyukite-Na Na2[Ti4O2(OH)2(SiO4)3]•6H2O P 4 3m 4 3m
 
78.00.00.00 Plumbophyllite Pb2Si4O10•H2O P bcn 2/m 2/m 2/m
 
78.00.00.00 Sturtite? (Fe3)(Mn2,Ca,Mg)Si4O10(OH)3•10(H2O) None
Help on  Strunz Class: Strunz Class: 09.HX.00 09 - SILICATES (Germanates)
  09.H - Unclassified Strunz Silicates
  09.HX -Silicate, Unclassified
 
09.HX.00 Iddingsite? MgO.Fe2O3.3SiO2•4(H2O) Ortho
 
09.HX.00 IMA2007-041T Na2[Ti4O2(OH)2(SiO4)3]•6H2O R 3m 3m
 
09.HX.00 Plumbophyllite Pb2Si4O10•H2O P bcn 2/m 2/m 2/m
 
09.HX.00 Cryptophyllite K2Ca[Si4O10]•5H2O P 21/n 2/m
 

Other Plumbophyllite Information

Help on See Also: See Also: Links to other databases for Plumbophyllite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Plumbophyllite

Pb2Si4O10•H2O
Dana No: 78.00.00.00 Strunz No: 09.HX.00
Locality:

 

Notes:

 

 
   
 


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