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Petitjeanite Mineral Data

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General Petitjeanite Information

Help on Chemical  Formula: Chemical Formula: Bi+++3(PO4)2O(OH)
Help on Composition: Composition: Molecular Weight = 849.89 gm
   Bismuth     73.77 %  Bi   82.24 % Bi2O3
   Phosphorus   7.29 %  P    16.70 % P2O5
   Hydrogen     0.12 %  H     1.06 % H2O
   Oxygen      18.83 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Bi3(PO4)2O(OH)
Help on Environment: Environment: Secondary mineral in a silicified barite vein. Forms series with preisingerite and schumacherite.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Gadernheim, Germany Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Klaus Petitjean, amateur mineral collector who has discovered several new species in the Reichenbach, Germany district.
Help on Name Pronunciation: Name Pronunciation: Petitjeanite + Pronunciation Say PETITJEANITE
Help on Synonym: Synonym: IMA1992-013

Petitjeanite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.3514:1:0.947
Help on Cell Dimensions: Cell Dimensions: a = 9.798, b = 7.25, c = 6.866, Z = 2; alpha = 88.28°, beta = 115.27°, gamma = 110.7° V = 412.40 Den(Calc)= 6.84
Help on Crystal System: Crystal System: Triclinic - Pedial H-M Symbol (1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.188(1), 3.135(0.95), 3.247(0.87),

Physical Properties of Petitjeanite

Help on Cleavage: Cleavage: None
Help on Color: Color: Brown, Deep yellow, White, Black.
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous - Adamantine
Help on Streak: Streak: white

Optical Properties of Petitjeanite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.01 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1585,KC= 0.16
Ncalc = 2.11
Help on Optical Data: Optical Data: Biaxial (+), a=2.06, g=2.13, bire=0.0700, 2V(Meas)=75.

Calculated Properties of Petitjeanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.85 gm/cc
note: Specific Gravity of Petitjeanite =6.91 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0000912767
Boson Index = 0.9999087233
Help on Photoelectric: Photoelectric: PEPetitjeanite =1,401.71 barns/electron
U=PEPetitjeanite x rElectron Density=8,205.53 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Petitjeanite is Not Radioactive

Petitjeanite Classification

Help on  Dana Class: Dana Class: (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.10)where (A++ B++)3 (XO4)2 Zq
  (41.10.10)Dana Group Petitjeanite Bi3(PO4)2O(OH) P1 1
Help on  Strunz Class: Strunz Class: 08.BO.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BO -With only large cations, (OH, etc.):RO4 � 1:1
08.BO.10 Preisingerite Bi3(AsO4)2O(OH) P1 1
08.BO.10 Petitjeanite Bi3(PO4)2O(OH) P1 1
08.BO.10 Schumacherite Bi3[(V,As,P)O4]2O(OH) P1 1

Other Petitjeanite Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Am.Min.,Vol.79,p765,1994) OPTIC PROP.(Am.Min.,Vol.79,p765,1994)
Help on See Also: See Also: Links to other databases for Petitjeanite :
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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Dana No: Strunz No: 08.BO.10





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