Tripuhyite Mineral Data

General Tripuhyite Information

Chemical Formula:

Fe++Sb+++++O4

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

Empirical Formula:

Fe²⁺SbO₄

IMA Status:

Valid Species (Pre-IMA) 1897

Locality:

Tripuhy valley (today Tripuí !!) near Ouro Preto. Link to MinDat.org Location Data.

Name Origin:

Named after its locality.

Name Pronunciation:

Tripuhyite + Pronunciation

Synonym:

ICSD 40344

IMA2002-A

PDF 7-349

Squawcreekite

Tripuhyite Image

Images:

Tripuhyite

Comments: Brown tripuhyite on matrix.
Location: Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-WÃ¼rttemberg, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Images:

Tripuhyite Squawcreekite

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

Axial Ratios:

a:c = 1:0.6614

Cell Dimensions:

a = 4.625, c = 3.059, Z = 1; V = 65.43 Den(Calc)= 6.13

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/I_o): 3.28(1), 1.72(0.9), 2.56(0.9),

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: 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

Color:

Brownish black, Greenish yellow, Yellow, Dark brown.

Density:

5.82

Diaphaneity:

Translucent

Habit:

Fibrous - Crystals made up of fibers.

Hardness:

7 - Quartz

Luster:

Vitreous - Resinous

Streak:

yellow

Optical Properties of Tripuhyite

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

Optical Data:

Uniaxial (+), w=2.19, e=2.33, bire=0.1400.

Calculated Properties of Tripuhyite

Electron Density:

Bulk Density (Electron Density)=5.53 gm/cc
note: Specific Gravity of Tripuhyite =6.13 gm/cc.

Fermion Index:

Fermion Index = 0.0050277417
Boson Index = 0.9949722583

Photoelectric:

PE_Tripuhyite= 171.72 barns/electron
U=PE_Tripuhyite x rElectron Density= 949.84 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tripuhyite is Not Radioactive

Tripuhyite Classification

Dana Class:

44.02.01.03 (44)Antimonates

(44.02)A (X2 O6)

(44.02.01)Bystromite Group

44.02.01.01 Bystromite MgSb2O6 P 4₁/mnm 4/m 2/m 2/m

44.02.01.02 Ordonezite ZnSb2O6 P 4₁/mnm 4/m 2/m 2/m

44.02.01.03 Tripuhyite FeSbO4 P 4₁/mnm 4/m 2/m 2/m

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

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990, AmMin, v 88, p 1629) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

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
15 - WWW-MINCRYST

Search for Tripuhyite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Tripuhyite :

A Bijoux Google Search for Tripuhyite
Adam's Minerals Google Search for Tripuhyite
Cape Minerals Google Search for Tripuhyite
Dakota Matrix Minerals Google Search for Tripuhyite
Excalibur Mineral Corp. Google Search for Tripuhyite
Exceptional Minerals Google Search for Tripuhyite
John Betts Fine Minerals Search for Tripuhyite
McDougall Minerals Google Search for Tripuhyite
Mineral News Website Link
Rock and Mineral Shows Google Search for Tripuhyite
Weinrich Minerals, Inc. Google Search for Tripuhyite

Ask about Tripuhyite 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 Español

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

Tripuhyite

Fe++Sb+++++O4
Dana No: 44.02.01.03 Strunz No: 04.DB.05
Locality:

Notes: