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Plumbophyllite Mineral Data
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General Plumbophyllite Information
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 Chemical Formula: |
Pb2Si4O10•H2O |
| Composition: |
Molecular Weight = 704.75 gm |
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Silicon 15.94 % Si 34.10 % SiO2 |
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Hydrogen 0.29 % H 2.56 % H2O |
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Lead 58.80 % Pb 63.34 % PbO |
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Oxygen 24.97 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Pb2Si4O10•(H2O) |
| Environment: |
New structure type |
| IMA Status: |
Proposed IMA 2008 |
| Locality: |
Blue Bell claims in the Soda Mountains, San Bernardino County, California, U.S.A. Link to MinDat.org Location Data. |
| Name Origin: |
Named from the Greek for the morphology and composition. |
| Synonym: |
IMA2008-025 |
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Plumbophyllite Image |
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Images:
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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 |
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Plumbophyllite Crystallography
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| Axial Ratios: |
a:b:c =1.3501:1:0.8846 |
| Cell Dimensions: |
a = 13.2083, b = 9.7832, c = 8.6545, V = 1,118.33 |
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P bcn |
| 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), |
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Physical Properties of Plumbophyllite
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| Color: |
Lght blue. |
| Diaphaneity: |
Transparent |
| Luster: |
Vitreous - Pearly |
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Optical Properties of Plumbophyllite
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| Optical Data: |
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Calculated Properties of Plumbophyllite
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| Fermion Index: |
Fermion Index = 0.13
Boson Index = 0.87 |
| Photoelectric: |
PEPlumbophyllite =1,026.74 barns/electron
U=PEPlumbophyllite x rElectron Density= . barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Plumbophyllite is Not Radioactive |
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Plumbophyllite Classification
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| Dana Class: |
78.00.00.00 (78)Unclassified Silicate Minerals |
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(78.00)Without Dana Classification Numbers |
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(78.00.00)Silicate, Unclassified |
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78.00.00.00 Almbosite? Fe5Fe4V4Si3O27 Ortho ? Ortho |
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78.00.00.00 Chelyabinskite* (Ca,Mg)3Si(OH)6(SO4,CO3)2•9(H2O) Unk Ortho |
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78.00.00.00 Cryptophyllite K2Ca[Si4O10]•5H2O P 21/n 2/m |
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78.00.00.00 IMA2007-041T Na2[Ti4O2(OH)2(SiO4)3]•6H2O R 3m 3m |
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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 |
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78.00.00.00 Iddingsite? MgO.Fe2O3.3SiO2•4(H2O) Ortho |
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78.00.00.00 Ivanyukite-Cu Cu[Ti4(OH)2O2(SiO4)3]•7H2O P 4 3m 4 3m |
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78.00.00.00 Ivanyukite-K K2[Ti4(OH)2O2(SiO4)3]•9H2O P 4 3m 4 3m |
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78.00.00.00 Ivanyukite-Na Na2[Ti4O2(OH)2(SiO4)3]•6H2O P 4 3m 4 3m |
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78.00.00.00 Plumbophyllite Pb2Si4O10•H2O P bcn 2/m 2/m 2/m |
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78.00.00.00 Sturtite? (Fe3)(Mn2,Ca,Mg)Si4O10(OH)3•10(H2O) None |
| Strunz Class: |
09.HX.00 09 - SILICATES (Germanates) |
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09.H - Unclassified Strunz Silicates |
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09.HX -Silicate, Unclassified |
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09.HX.00 Iddingsite? MgO.Fe2O3.3SiO2•4(H2O) Ortho |
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09.HX.00 IMA2007-041T Na2[Ti4O2(OH)2(SiO4)3]•6H2O R 3m 3m |
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09.HX.00 Plumbophyllite Pb2Si4O10•H2O P bcn 2/m 2/m 2/m |
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09.HX.00 Cryptophyllite K2Ca[Si4O10]•5H2O P 21/n 2/m |
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Other Plumbophyllite Information
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| 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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Print or Cut-and-Paste your Plumbophyllite Specimen Label here :
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Plumbophyllite
Pb2Si4O10•H2O
Dana No: 78.00.00.00 Strunz No: 09.HX.00
Locality:
Notes:
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