Tooeleite  Mineral Data

Tooeleite Mineral Data

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General Tooeleite Information

Help on Chemical  Formula: Chemical Formula: Fe+++6(AsO3)4(SO4)(OH)4•4H2O
Help on Composition: Composition: Molecular Weight = 1,388.96 gm
   Iron      30.56 %  Fe   43.69 % Fe2O3
   Arsenic   25.35 %  As   38.89 % As2O5
   Hydrogen   1.12 %  H     9.99 % H2O
   Sulfur     3.00 %  S     7.49 % SO3
   Oxygen    39.97 %  O
            ______        ______ 
            100.00 %      100.06 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe3+7.6(AsO4)4.7(SO4)1.3(OH)6•4.7(H2O)
Help on Environment: Environment: Occurs in voids in massive scorodite and acid mine drainage.
Help on IMA Status: IMA Status: Approved IMA 1992
Help on Locality: Locality: Found on waste dumps of the former gold and arsenic mines in the Gold Hill district, western Tooele County, Utah, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Tooeleite + Pronunciation Say TOOELEITE
Help on Synonym: Synonym: IMA1990-010
 

Tooeleite Image

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Tooeleite

Comments: SEM photograph of typical tooeleite crystal terminations. MinMag v56:71.
Location: U.S. Mine, Tooele Country, Utah. USA. Scale: Scale Bar 50 µm.
© Mineralogical Magazine

Tooeleite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.3944:1:1.5242
Help on Cell Dimensions: Cell Dimensions: a = 8.9575, b = 6.4238, c = 9.7912, Z = 1; beta = 96.032° V = 560.28 Den(Calc)= 4.12
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.75(1), 3.208(0.9), 3.047(0.5),
Click Here for Large Tooeleite Structure Window Crystal Structure:

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Morin G , Rousse G , Elkaim E , American Mineralogist , 92 (2007) p.193-197, Crystal structure of tooeleite, Fe6(AsO3)4SO4(OH)4 * 4H2O, a new iron arsenite, oxyhydroxysulfate mineral relevant of acid mine drainage, Locality: Tooele County, Utah

 

Physical Properties of Tooeleite

Help on Cleavage: Cleavage: {???} Good
Help on Color: Color: Brown orange, Yellow orange.
Help on Density: Density: 4.238
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Bladed - Aggregates of thin lath-like crystals (e.g. kyanite).
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Powdery - Forms a loose, poorly-coherent pulverulent mass.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Greasy (Oily)
Help on Streak: Streak: orange
 

Optical Properties of Tooeleite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.035 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.008 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.246,KPDmeas= 0.2391,KC= 0.2478
Ncalc = 2.02 - 2.05
Help on Optical Data: Optical Data: Biaxial (-), a=1.94, b=2.04-2.05, g=2.05-2.06, bire=0.1100-0.1200, 2V(Calc)=32, 2V(Meas)=small. Dispersion r > v slight.
Help on Pleochroism (x): Pleochroism (x): lemon yellow.
Help on Pleochroism (y): Pleochroism (y): orange.
Help on Pleochroism (z): Pleochroism (z): lemon yellow.
 

Calculated Properties of Tooeleite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.95 gm/cc
note: Specific Gravity of Tooeleite =4.12 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0068969259
Boson Index = 0.9931030741
Help on Photoelectric: Photoelectric: PETooeleite = 26.59 barns/electron
U=PETooeleite x rElectron Density= 105.15 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tooeleite is Not Radioactive
 

Tooeleite Classification

Help on  Dana Class: Dana Class: 42.12.05.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.12)with miscellaneous formulae
  (42.12.05)Dana Group
 
42.12.05.01 Tooeleite Fe6(AsO3)4(SO4)(OH)4•4H2O C 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.JD.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JD -Arsenites, antimonites, bismuthites; with additional anions, with H2O
 
04.JD.15 Tooeleite Fe6(AsO3)4(SO4)(OH)4•4H2O C 2/m 2/m
 

Other Tooeleite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(AmMin v77:1306 and v92:193) OPTIC PROP.(AntBidBlaNic4)
Help on See Also: See Also: Links to other databases for Tooeleite :
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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Print or Cut-and-Paste your Tooeleite Specimen Label here :

Tooeleite

Fe+++6(AsO3)4(SO4)(OH)4•4H2O
Dana No: 42.12.05.01 Strunz No: 04.JD.15
Locality:

 

Notes: