Tripuhyite Mineral Data + Say TRIPUHYITE


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General Tripuhyite Information

Help on Chemical  Formula: Chemical Formula: Fe++Sb+++++O4
Help on Composition: Composition: Molecular Weight = 241.59 gm
   Iron      23.12 %  Fe   29.74 % FeO
   Antimony  50.39 %  Sb   66.95 % Sb2O5
   Oxygen    26.49 %  O
            ______        ______ 
            100.00 %       96.69 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+SbO4
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1897
Help on Locality: Locality: Tripuhy valley (today Tripuí !!) near Ouro Preto. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Synonym: Synonym: ICSD 40344
  IMA2002-A
  PDF 7-349
  Squawcreekite
 

Tripuhyite Image

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Tripuhyite

Comments: Brown tripuhyite on matrix.
Location: Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-W?rttemberg, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Tripuhyite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.6614
Help on Cell Dimensions: Cell Dimensions: a = 4.625, c = 3.059, Z = 1; V = 65.43 Den(Calc)= 6.13
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 41/mnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.28(1), 1.72(0.9), 2.56(0.9),
Click Here for Large Tripuhyite Structure Window Crystal Structure:

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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: Djebel Nador, Algeria, Sample: case 1 refinement in the rutile structure, This is the preferred structural model

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

Physical Properties of Tripuhyite

Help on Color: Color: Brownish black, Greenish yellow, Yellow, Dark brown.
Help on Density: Density: 5.82
Help on Diaphaniety: Diaphaniety: Translucent
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Hardness: Hardness: 7 - Quartz
Help on Luster: Luster: Vitreous - Resinous
Help on Streak: Streak: yellow
 

Optical Properties of Tripuhyite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.367 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.298 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2055,KPDmeas= 0.2165,KC= 0.1583
Help on Optical Data: Optical Data: Uniaxial (+), w=2.19, e=2.33, bire=0.1400.
 

Calculated Properties of Tripuhyite

Help on Electron Density: Electron Density:

relectron=5.53 gm/cc
note: rTripuhyite =6.13 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.00502
Boson Index = 0.99498
Help on Photoelectric: Photoelectric:

PETripuhyite = 171.72 barns/electron
U=PETripuhyite x relectron= 949.84 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Tripuhyite is Not Radioactive

 

Tripuhyite Classification

Help on  Dana Class: Dana Class: 44.2.1.3 (44)Antimonates
  (44.2)A (X2 O6)
  (44.2.1)Dana Group
 
44.2.1.1 Bystromite MgSb2O6 P 41/mnm 4/m 2/m 2/m
 
44.2.1.2 Ordonezite ZnSb2O6 P 41/mnm 4/m 2/m 2/m
 
44.2.1.3 Tripuhyite FeSbO4 P 41/mnm 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: IV/D.04-50 IV - Oxides
  IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds)
  IV/D.04 - Tapiolite group
 
IV/D.04-10 Ferrotapiolite (Fe,Mn)(Ta,Nb)2O6 P 41/mnm 4/m 2/m 2/m
 
IV/D.04-20 Manganotapiolite (Mn,Fe)(Ta,Nb)2O6 P 41/mnm 4/m 2/m 2/m
 
IV/D.04-40 Bystromite MgSb2O6 P 41/mnm 4/m 2/m 2/m
 
IV/D.04-50 Tripuhyite FeSbO4 P 41/mnm 4/m 2/m 2/m
 
IV/D.04-60 Ordonezite ZnSb2O6 P 41/mnm 4/m 2/m 2/m
 

Other Tripuhyite Information

Help on References: References: PHYS. PROP.(Enc. of Minerals,2nd ed.,1990, AmMin, v 88, p 1629) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Tripuhyite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 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 - WWW-MINCRYST 14 -École des Mines de Paris

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Tripuhyite

Fe++Sb+++++O4
Dana No: 44.2.1.3 Strunz No: IV/D.04-50
Locality:

 

Notes:

 

 
   
 
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