Poughite Mineral Data

Poughite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About


Lapis Mineral Magazine
[Home] [What's New] [Extra Lapis] [Subscription] [Book Shop]
Lapis Mineral Magazine
Lapis is a german-language Mineral Magazine for Lovers and Collectors of Minerals and Gems
Subscription costs only € 47 per year, plus shipping costs


General Poughite Information

Help on Chemical Formula: Chemical Formula: Fe+++2(TeO3)2(SO4)•3(H2O)
Help on Composition: Composition: Molecular Weight = 613.00 gm
   Iron       18.22 %  Fe   23.44 % FeO
   Tellurium  41.63 %  Te   52.07 % TeO2
   Hydrogen    0.99 %  H     8.82 % H2O
   Sulfur      5.23 %  S    13.06 % SO3
   Oxygen     33.93 %  O
             ______        ______ 
             100.00 %       97.39 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+2(TeO3)2(SO4)•3(H2O)
Help on IMA Status: IMA Status: Approved IMA 1968
Help on Locality: Locality: Moctezuma mine ("La Bambolla"), Moctezuma, Sonora, Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Frederick Harvey Pough (1906-), American mineralogist, curator, and writer.
Help on Name Pronunciation: Name Pronunciation: Poughite Say POUGHITE
Help on Synonym: Synonym: ICSD 34597
  PDF 21-435
 

Poughite Image

Click Here for Larger Poughite Image in a New Browser Window Images:
Click Here for Larger Poughite Image

Poughite

Comments: Yellow coatings of poughite on matrix.
Location: Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Poughite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.6802:1:0.5535
Help on Cell Dimensions: Cell Dimensions: a = 9.66, b = 14.2, c = 7.86, Z = 4; V = 1,078.17 Den(Calc)= 3.78
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pmnb
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.74(1), 7.1(1), 3.239(0.7),
Click Here for Large Poughite Structure Window 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


Pertlik F , Tschermaks Mineralogische und Petrographische Mitteilungen , 15 (1971) p.279-290, Die kristallstruktur von poughit, Fe2[TeO3]2[SO4]*3H2O, Locality: synthetic

 

Physical Properties of Poughite

Help on Cleavage: Cleavage: {010} Perfect, {101} Good
Help on Color: Color: Brownish yellow, Greenish yellow, Dark yellow.
Help on Density: Density: 3.75
Help on Habit: Habit: Botryoidal - "Grape-like" rounded forms (e.g.. malachite).
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: light yellow
 

Optical Properties of Poughite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.187 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.178 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2377,KPDmeas= 0.2396,KC= 0.2018
Ncalc = 1.76
Help on Optical Data: Optical Data: Biaxial (-), a=1.72, b=1.985, g=1.99, bire=0.2700, 2V(Calc)=14, 2V(Meas)=15-20.
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): pale greenish yellow.
Help on Pleochroism (z): Pleochroism (z): pale yellow.
 

Calculated Properties of Poughite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.48 gm/cc
note: Specific Gravity of Poughite =3.78 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEPoughite = 144.98 barns/electron
U=PEPoughite x rElectron Density= 504.21 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Poughite is Not Radioactive
 

Poughite Classification
Help on Dana Class: Dana Class: 34.08.01.01 (34)Selenites - Tellurites - Sulfites
  (34.08)Dana Type
  (34.08.01)Dana Group
 
34.08.01.01 Poughite Fe2(TeO3)2(SO4)•3(H2O) Pmnb 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 04.JN.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JN -Tellurites with additional anions, with H2O
 
04.JN.10 Poughite Fe2(TeO3)2(SO4)•3(H2O) Pmnb 2/m 2/m 2/m
 

Other Poughite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Poughite :
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

Search for Poughite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [bing] [GeoScienceWorld] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Poughite :

B & L Fine Minerals

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

John Betts Fine Minerals

Lapis Mineral Journal

Mineral News

UV Tools

Wrights Rock Shop

Translate Poughite Mineral Data :

Ask about Poughite 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 Espaņol

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

Poughite

Fe+++2(TeO3)2(SO4)•3(H2O)
Dana No: 34.08.01.01 Strunz No: 04.JN.10
Locality:

 

Notes: