Squawcreekite Mineral Data

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



[New Updates] [Gallery 1] [Gallery 2] [Gallery 3] [Rock Shop Gallery]
Serving the mineral collector and educator community since 1970
Over 900,000 mineral specimens in stock
New minerals acquired weekly - Wright's Rock Shop


General Squawcreekite Information

Help on Chemical Formula: Chemical Formula: (Fe+++,Sb+++++,W++++++)O4•(H2O)
Help on Composition: Composition: Molecular Weight = 262.07 gm
   Iron      19.18 %  Fe   27.42 % Fe2O3
   Antimony  41.81 %  Sb   55.55 % Sb2O5
   Hydrogen   0.77 %  H     6.87 % H2O
   Tungsten   7.72 %  W     9.73 % WO3
   Oxygen    30.52 %  O
            ______        ______ 
            100.00 %       99.57 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe3+0.9Sb0.9W0.11O4•(H2O)
Help on Environment: Environment: Occurs adjacent to hematite-cassiterite veins in rhyolite and with cassiterite at Esperansa tin mine, near Durango, Mexico. Approved IMA 1988, Redefined to tripuhyite (IMA Code 02-A ).
Help on IMA Status: IMA Status: Discredited IMA 2002
Help on Locality: Locality: Type locality is Squaw Creek, Catron County, New Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in 1991after its locality.
Help on Name Pronunciation: Name Pronunciation: Squawcreekite + Pronunciation Say SQUAWCREEKITE
Help on Synonym: Synonym: Discredited IMA 2002
  IMA1987-022
  IMA2002-A
 

Squawcreekite Image

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

Squawcreekite   Tripuhyite

Comments: Micro red-orange squawcreekite crystals in matrix. The mineral is now considered to be a Zn-bearing variety of Tripuhyite.
Location: Squaw Creek Tin Mine, Catron County, New Mexico. Scale: Not Given.
© Diederik Visser

Squawcreekite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.66432
Help on Cell Dimensions: Cell Dimensions: a = 4.6673, c = 3.1006, Z = 1; V = 67.54 Den(Calc)= 6.44
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/mnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.3039(1), 2.5844(0.49), 1.7316(0.36),
Click Here for Large Squawcreekite 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


Basso R , Cabella R , Lucchetti G , Marescotti P , Martinelli A , Neues Jahrbuch fur Mineralogie, Monatshefte , 2003 (2003) p.407-420, Structural studies on synthetic and natural Fe-Sb-oxides of MO2 type, Locality: synthetic

 

Physical Properties of Squawcreekite

Help on Cleavage: Cleavage: {100} Imperfect
Help on Color: Color: Yellowish brown.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 6-6.5 - Orthoclase-Pyrite
Help on Luster: Luster: Adamantine
Help on Streak: Streak: yellowish brown
 

Optical Properties of Squawcreekite

Help on Dichroism (e): Dichroism (e): pale yellow.
Help on Dichroism (w): Dichroism (w): medium yellow brown.
Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.096 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.191,KC= 0.2114
Ncalc = 2.36
Help on Optical Data: Optical Data: Uniaxial (+), w=2.18, e=2.28, bire=0.1000.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Squawcreekite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 470 nm   16.90   17.60 
   
 546 nm   13.90   16.60 
 589 nm   12.50   15.50 
 650 nm   15.10   18.30 
Calculated Relative Intensity Colors of Squawcreekite in Air
Relative
Intensity		    0%   70% 100% 140% 210% 280% 350% 420% 490% 560% 630% 640%
R1                        
R2                        
 

Calculated Properties of Squawcreekite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.87 gm/cc
note: Specific Gravity of Squawcreekite =6.44 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PESquawcreekite = 232.42 barns/electron
U=PESquawcreekite x rElectron Density=1,364.31 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Squawcreekite is Not Radioactive
 

Squawcreekite Classification
Help on Dana Class: Dana Class: 04.04.01.08 (04)Simple Oxides
  (04.04)with a cation charge of 4+ (A++++ O2)
  (04.04.01)Rutile group (Tetragonal: P4/mnm)
 
04.04.01.01 Rutile TiO2 P 4/mnm 4/m 2/m 2/m
 
04.04.01.02 Ilmenorutile (Ti,Nb,Fe)O2 P 4/mnm 4/m 2/m 2/m
 
04.04.01.03 Struverite? (Ti,Ta,Fe)O2 P 4/mnm 4/m 2/m 2/m
 
04.04.01.04 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m
 
04.04.01.05 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m
 
04.04.01.06 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m
 
04.04.01.07 Argutite GeO2 P 4/mnm 4/m 2/m 2/m
 
04.04.01.08 Squawcreekite? (Fe,Sb,W)O4•(H2O) P 4/mnm 4/m 2/m 2/m
 
04.04.01.09 Stishovite SiO2 P 4/mnm 4/m 2/m 2/m
Help on Strunz Class: Strunz Class: 04.DB.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DB -With medium-sized cations; chains of edge-sharing octahedra
 
04.DB.05 Argutite GeO2 P 4/mnm 4/m 2/m 2/m
 
04.DB.05 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m
 
04.DB.05 Rutile TiO2 P 4/mnm 4/m 2/m 2/m
 
04.DB.05 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m
 
04.DB.05 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m
 
04.DB.05 Varlamoffite* (Sn,Fe)(O,OH)2 P 41/mnm 4/m 2/m 2/m
 
04.DB.05 Squawcreekite? (Fe,Sb,W)O4•(H2O) P 4/mnm 4/m 2/m 2/m
 
04.DB.05 Tugarinovite MoO2 P 21/n 2/m
 
04.DB.05 Tripuhyite FeSbO4 P 41/mnm 4/m 2/m 2/m
 

Other Squawcreekite Information
Help on References: References: NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.77,p449,1992) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Squawcreekite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - MinMax(Deutsch)
10 - MinMax(English)
11 - Mineralienatlas (Deutsch)
12 - QUT Mineral Atlas
13 - Ruff.Info
14 - WWW-MINCRYST

Search for Squawcreekite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Squawcreekite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Squawcreekite Mineral Data :

Ask about Squawcreekite 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 Squawcreekite Specimen Label here :

Squawcreekite

(Fe+++,Sb+++++,W++++++)O4•(H2O)
Dana No: 04.04.01.08 Strunz No: 04.DB.05
Locality:

 

Notes: