Poitevinite Mineral Data

General Poitevinite Information

Chemical Formula:

(Cu,Fe++,Zn)SO4•(H2O)

Composition:

Molecular Weight = 175.50 gm

Zinc 3.73 % Zn 4.64 % ZnO

Iron 9.55 % Fe 12.28 % FeO

Copper 21.73 % Cu 27.20 % CuO

Hydrogen 1.15 % H 10.27 % H₂O

Sulfur 18.27 % S 45.62 % SO₃

Oxygen 45.58 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Cu_0.6Fe²⁺_0.3Zn_0.1(SO₄)•(H₂O)

IMA Status:

Approved IMA 1964

Locality:

Hat Creek, Bonaparte River, Lillooet, British Columbia, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for Theophile Eugene Poitevin (1888-1978), Canadian mineralogist, Geological Survey of Canada.

Name Pronunciation:

Poitevinite + Pronunciation

Synonym:

ICSD 79163

PDF 15-120

Poitevinite Image

Images:

Poitevinite

Comments: Pale brown powdery poitevinite mass with pale blue chalcanthite.
Location: Bonaparte River, Kamloops District, British Columbia, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Poitevinite Crystallography

Axial Ratios:

a:b:c =0.9922:1:1.4602

Cell Dimensions:

a = 5.12, b = 5.16, c = 7.535, Z = 2; alpha = 107.06°, beta = 107.4°, gamma = 92.73° V = 181.39 Den(Calc)= 3.21

Crystal System:

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

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

By Intensity(I/I_o): 3.46(1), 3.08(0.5), 4.72(0.5),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Giester G , Lengauer C L , Redhammer G J , The Canadian Mineralogist , 32 (1994) p.873-884, Characterization of the FeSO4.H2O - CuSO4.H2O solid solution series, and the, nature of poitevinite, (Cu,Fe)SO4.H2O, Sample: Fe-100

View Additional jPOWD Structure files for Poitevinite
[1] [2]

Physical Properties of Poitevinite

Cleavage:

None

Color:

Pink, Light red.

Density:

3.3

Diaphaneity:

Transparent to Translucent

Habit:

Powdery - Forms a loose, poorly-coherent pulverulent mass.

Hardness:

3-3.5 - Calcite-Copper Penny

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Poitevinite

Gladstone-Dale:

CI meas= -0.048 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.065 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2047,KPDmeas= 0.2016,KC= 0.1923
Ncalc = 1.62 - 1.63

Optical Data:

Biaxial (+), a=1.626, b=1.671, g=1.699, bire=0.0730, 2V(Calc)=74, 2V(Meas)=75.

Calculated Properties of Poitevinite

Electron Density:

Bulk Density (Electron Density)=3.24 gm/cc
note: Specific Gravity of Poitevinite =3.30 gm/cc.

Fermion Index:

Fermion Index = 0.0051423591
Boson Index = 0.9948576409

Photoelectric:

PE_Poitevinite= 15.11 barns/electron
U=PE_Poitevinite x rElectron Density= 48.97 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Poitevinite is Not Radioactive

Poitevinite Classification

Dana Class:

29.06.02.04 (29)Hydrated Acid and Sulfates

(29.06)where A XO4 · x(H2O)

(29.06.02)Kieserite Group (Mono-hydrates)

29.06.02.01 Kieserite MgSO4•(H2O) C 2/c 2/m

29.06.02.02 Szomolnokite FeSO4•(H2O) A2/a 2/m

29.06.02.03 Szmikite MnSO4•(H2O) A2/a 2/m

29.06.02.04 Poitevinite (Cu,Fe,Zn)SO4•(H2O) P1 1

29.06.02.05 Gunningite (Zn,Mn)SO4•(H2O) A2/a 2/m

29.06.02.06 Dwornikite (Ni,Fe)SO4•(H2O) C 2/c 2/m

29.06.02.07 Cobaltkieserite! CoSO4•H2O C 2/c 2/m

Strunz Class:

07.CB.05 07 - SULFATES (SELENATES, TELLURATES)

07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O

07.CB -With only medium-sized cations

07.CB.05 Gunningite (Zn,Mn)SO4•(H2O) A2/a 2/m

07.CB.05 Dwornikite (Ni,Fe)SO4•(H2O) C 2/c 2/m

07.CB.05 Kieserite MgSO4•(H2O) C 2/c 2/m

07.CB.05 Poitevinite (Cu,Fe,Zn)SO4•(H2O) P1 1

07.CB.05 Szomolnokite FeSO4•(H2O) A2/a 2/m

07.CB.05 Szmikite MnSO4•(H2O) A2/a 2/m

07.CB.05 Cobaltkieserite! CoSO4•H2O C 2/c 2/m

Other Poitevinite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Poitevinite :
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
15 - WWW-MINCRYST

Search for Poitevinite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Poitevinite :

A Bijoux Google Search for Poitevinite
Adam's Minerals Google Search for Poitevinite
Cape Minerals Google Search for Poitevinite
Dakota Matrix Minerals Google Search for Poitevinite
Excalibur Mineral Corp. Google Search for Poitevinite
Exceptional Minerals Google Search for Poitevinite
John Betts Fine Minerals Search for Poitevinite
McDougall Minerals Google Search for Poitevinite
Mineral News Website Link
Rock and Mineral Shows Google Search for Poitevinite
Weinrich Minerals, Inc. Google Search for Poitevinite

Ask about Poitevinite 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 Poitevinite Specimen Label here :

Poitevinite

(Cu,Fe++,Zn)SO4•(H2O)
Dana No: 29.06.02.04 Strunz No: 07.CB.05
Locality:

Notes: