Petitjeanite Mineral Data

Petitjeanite Mineral Data +

[Content and History] [Recent Issues] [Back Issues] [Subscriptions] [Contacts]
See Also: [Diamond Crystals] [Excalibur Minerals] [Hudson Institute] [Minerals on CDROM]
Mineral News was founded some twenty years ago and has developed a following of
avid mineral collectors seeking timely information about new finds and other items
of interest to the collector community. Articles are solicited from collector and scientific authors.

General Petitjeanite Information

Chemical Formula:

Bi+++3(PO4)2O(OH)

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

Empirical Formula:

Bi₃(PO₄)₂O(OH)

IMA Status:

Approved IMA 1993

Locality:

Link to MinDat.org Location Data.

Synonym:

IMA1992-013

Search for Petitjeanite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Petitjeanite Crystallography

Axial Ratios:

a:b:c =1.3514:1:0.947

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

Crystal System:

Triclinic - PedialH-M Symbol (1) Space Group: P1

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.188(1), 3.135(0.95), 3.247(0.87),

Physical Properties of Petitjeanite

Cleavage:

None

Color:

Brown, Deep yellow, White, Black.

Diaphaniety:

Transparent to Translucent

Hardness:

4.5 - Between Fluorite and Apatite

Luster:

Vitreous - Adamantine

Streak:

white

Optical Properties of Petitjeanite

Gladstone-Dale:

CI calc= -0.001 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1601,KC= 0.16

Optical Data:

Biaxial (+), a=2.06, g=2.13, bire=0.0700, 2V(Meas)=75.

Calculated Properties of Petitjeanite

Electron Density:

r_electron=5.79 gm/cc
note: r_Petitjeanite=6.84 gm/cc.

Fermion Index

Fermion Index = 0.00009
Boson Index = 0.99991

Photoelectric:

PE_Petitjeanite=1,401.71 barns/electron
U=PE_Petitjeanite x r_electron=8,122.41 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Petitjeanite is Not Radioactive

Petitjeanite Classification

Dana Class:

41.10.10.1 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen

(41.10)where (A++ B++)3 (XO4)2 Zq

(41.10.10)Dana Group

41.10.10.1 Petitjeanite Bi3(PO4)2O(OH) P1 1

Strunz Class:

VII/B.30-05 VII - Phosphates, Arsenates and Vanadates

VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O, OH. cations of medium and big size: Mg, Cu, Zn, and Ca, Na, K, Ba, Pb

VII/B.30 - Petitjeanite - Kuznetsovite series

VII/B.30-01 Smrkovecite! Bi2O(OH)(PO4) P 2₁/c 2/m

VII/B.30-02 Atelestite Bi8(AsO4)3(OH)5O5 P 2₁/a 2/m

VII/B.30-03 Hechtsbergite! Bi2O(OH)(VO4) P 2₁/c 2/m

VII/B.30-05 Petitjeanite Bi3(PO4)2O(OH) P1 1

VII/B.30-10 Preisingerite Bi3(AsO4)2O(OH) P1 1

VII/B.30-20 Schumacherite Bi3[(V,As,P)O4]2O(OH) P1 1

VII/B.30-30 Kuznetsovite! Hg3Cl(AsO4) P 2₁3 2 3

Other Petitjeanite Information

References:

PHYS. PROP.(Am.Min.,Vol.79,p765,1994) OPTIC PROP.(Am.Min.,Vol.79,p765,1994)

See Also:

Links to other databases for Petitjeanite :
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

Search for Petitjeanite using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Petitjeanite :
AA Mineral Specimens
B and L Minerals
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Minernet.it
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Petitjeanite Mineral Data :

Ask about Petitjeanite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Petitjeanite

Bi+++3(PO4)2O(OH)
Dana No: 41.10.10.1 Strunz No: VII/B.30-05
Locality:

Notes: