Mineralogy Database

Tripuhyite Mineral Data

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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 Tripu� !!) near Ouro Preto. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Tripuhyite + Pronunciation Say TRIPUHYITE
Help on Synonym: Synonym: ICSD 40344
  PDF 7-349

Tripuhyite Image

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

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  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

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 Dipyramidal H-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),

Physical Properties of Tripuhyite

Help on Color: Color: Brownish black, Greenish yellow, Yellow, Dark brown.
Help on Density: Density: 5.82
Help on Diaphaneity: Diaphaneity: 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
Ncalc = 1.92 - 1.97
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: Bulk Density (Electron Density)=5.53 gm/cc
note: Specific Gravity of Tripuhyite =6.13 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0050277417
Boson Index = 0.9949722583
Help on Photoelectric: Photoelectric: PETripuhyite = 171.72 barns/electron
U=PETripuhyite x rElectron Density= 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)Antimonates
  (44.02)A (X2 O6)
  (44.02.01)Bystromite Group Bystromite MgSb2O6 P 41/mnm 4/m 2/m 2/m Ordonezite ZnSb2O6 P 41/mnm 4/m 2/m 2/m Tripuhyite FeSbO4 P 41/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 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 - 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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Dana No: Strunz No: 04.DB.05





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