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Philipsbornite Mineral Data

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General Philipsbornite Information

Help on Chemical  Formula: Chemical Formula: PbAl3(AsO4)2(OH)5•(H2O)
Help on Composition: Composition: Molecular Weight = 669.04 gm
   Aluminum  12.10 %  Al   22.86 % Al2O3
   Arsenic   22.40 %  As   34.35 % As2O5
   Hydrogen   1.05 %  H     9.42 % H2O
   Lead      30.97 %  Pb   33.36 % PbO
   Oxygen    33.48 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbAl3(AsO4)2(OH)5•(H2O)
Help on Environment: Environment: Associated with crocoite.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Dundas district, TAS, Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Helut von Philipsborn (1892-1983), Mineralogist, University of Bonn, Germany.
Help on Name Pronunciation: Name Pronunciation: Philipsbornite + Pronunciation Say PHILIPSBORNITE
 

Philipsbornite Image

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  Philipsbornite

Comments: Greenish-yellow philipsbornite botryoidal crust.
Location: Dundas, Tasmania, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Philipsbornite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.39803
Help on Cell Dimensions: Cell Dimensions: a = 7.11, c = 17.05, Z = 3; V = 746.44 Den(Calc)= 4.46
Help on Crystal System: Crystal System: Trigonal Space Group: R 3m-,R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.02(1), 5.82(0.9), 3.56(0.8),
 

Physical Properties of Philipsbornite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, Gray green.
Help on Density: Density: 4.33
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite).
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous (Glassy)
 

Optical Properties of Philipsbornite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.017 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.013 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1771,KPDmeas= 0.1824,KC= 0.1794
Ncalc = 1.78 - 1.8
Help on Optical Data: Optical Data: Uniaxial (+/-), a=1.79, b=1.79, bire=0.0000.
 

Calculated Properties of Philipsbornite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.08 gm/cc
note: Specific Gravity of Philipsbornite =4.46 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PEPhilipsbornite = 535.99 barns/electron
U=PEPhilipsbornite x rElectron Density=2,186.73 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Philipsbornite is Not Radioactive
 

Philipsbornite Classification

Help on  Dana Class: Dana Class: 42.07.04.02 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.07)where (AB)5 (XO4)3 Zq � x(H2O)
  (42.07.04)Arsenocrandallite Group
 
42.07.04.01 Arsenocrandallite (Ca,Sr)Al3[(As,P)O4]2(OH)5•(H2O) R 3m 3m
 
42.07.04.02 Philipsbornite PbAl3(AsO4)2(OH)5•(H2O) R 3m-,R 3m Trig
 
42.07.04.03 Arsenogoyazite (Sr,Ca,Ba)Al3(AsO4,PO4)2(OH,F)5•(H2O) R 3m 3 2/m
 
42.07.04.04 Segnitite PbFe3H(AsO4)2(OH)6 R 3m 3 2/m
Help on  Strunz Class: Strunz Class: 08.BL.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BL -With medium-sized and large cations, (OH, etc.):RO4 = 3:1
 
08.BL.10 Arsenogorceixite! BaAl3AsO3(OH)(AsO4,PO4)(OH,F)6 R 3m 3 2/m
 
08.BL.10 Arsenocrandallite (Ca,Sr)Al3[(As,P)O4]2(OH)5•(H2O) R 3m 3m
 
08.BL.10 Ferrazite? (Pb,Ba)3(PO4)2•8(H2O)(?) Tri
 
08.BL.10 Arsenowaylandite* BiAl3(AsO4)2(OH)6 R 3m 3 2/m
 
08.BL.10 Benauite! HSrFe3(PO4)2(OH)6 R 3m 3 2/m
 
08.BL.10 Arsenogoyazite (Sr,Ca,Ba)Al3(AsO4,PO4)2(OH,F)5•(H2O) R 3m 3 2/m
 
08.BL.10 Dussertite BaFe3(AsO4)2(OH)5 R 3m 3m
 
08.BL.10 Crandallite CaAl3(PO4)2(OH)5•(H2O) R 3m 3 2/m
 
08.BL.10 Goyazite SrAl3(PO4)2(OH)5•(H2O) R 3m 3 2/m
 
08.BL.10 Gorceixite BaAl3(PO4)(PO3OH)(OH)6 R 3m 3 2/m
 
08.BL.10 Kintoreite PbFe3(PO4)2(OH,H2O)6 R 3m 3 2/m
 
08.BL.10 Lusungite? (Sr,Pb)Fe3(PO4)2(OH)5•(H2O) R 3m 3m
 
08.BL.10 Philipsbornite PbAl3(AsO4)2(OH)5•(H2O) R 3m-,R 3m Trig
 
08.BL.10 Plumbogummite PbAl3(PO4)2(OH)5•(H2O) R 3m 3 2/m
 
08.BL.10 Segnitite PbFe3H(AsO4)2(OH)6 R 3m 3 2/m
 
08.BL.10 Springcreekite! BaV3(PO4)2(OH,H2O)6 R 3m 3 2/m
 

Other Philipsbornite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Philipsbornite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Philipsbornite Specimen Label here :

Philipsbornite

PbAl3(AsO4)2(OH)5•(H2O)
Dana No: 42.07.04.02 Strunz No: 08.BL.10
Locality:

 

Notes:

 

 
   
 


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