Tinticite Mineral Data

Tinticite Mineral Data
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General Tinticite Information

Help on Chemical Formula: Chemical Formula: Fe+++5(PO4,VO4)4•7(H2O)
Help on Composition: Composition: Molecular Weight = 772.21 gm
   Vanadium     2.51 %  V     4.48 % V2O5
   Iron        38.62 %  Fe   55.22 % Fe2O3
   Phosphorus  13.08 %  P    29.96 % P2O5
   Hydrogen     1.75 %  H    15.63 % H2O
   Oxygen      44.05 %  O
              ______        ______ 
              100.00 %      105.28 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe3+5.34(PO4)3.26(VO4)0.38•6.7(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1946
Help on Locality: Locality: Tintic Standard mine, Tintic district, Utah Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Tinticite + Pronunciation Say TINTICITE
 

Tinticite Image

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Tinticite

Comments: Porcelaneous tinticite chip.
Location: Near Tintic Standard Mine, Tintic District, Juab County, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tinticite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.7965:1:0.7644
Help on Cell Dimensions: Cell Dimensions: a = 7.965, b = 9.999, c = 7.644, Z = 1; alpha = 103.94°, beta = 115.91°, gamma = 67.86° V = 492.28 Den(Calc)= 2.60
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.307(1), 3.027(0.95), 3.9504(0.95),
Click Here for Large Tinticite Structure Window Crystal Structure:

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Rius J , Louer D , Louer M , Gali S , Melgarejo J C , European Journal of Mineralogy , 12 (2000) p.581-588, Structure solution from powder data of the phosphate hydrate tinticite

 

Physical Properties of Tinticite

Help on Color: Color: White, Light brown, Pale yellowish green.
Help on Density: Density: 2.8 - 2.94, Average = 2.87
Help on Habit: Habit: Cryptocrystalline - Occurs as crystals too small to distinguish with the naked eye.
Help on Habit: Habit: Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite).
Help on Habit: Habit: Nodular - Tuberose forms having irregular protuberances over the surface.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: white
 

Optical Properties of Tinticite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.126 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.012 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2934,KPDmeas= 0.2597,KC= 0.2971
Ncalc = 1.75 - 1.87
Help on Optical Data: Optical Data: Biaxial (?), a=1.745, g=1.7455, bire=0.0005
 

Calculated Properties of Tinticite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.50 gm/cc
note: Specific Gravity of Tinticite =2.54 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.008464055
Boson Index = 0.991535945
Help on Photoelectric: Photoelectric: PETinticite = 12.55 barns/electron
U=PETinticite x rElectron Density= 31.37 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tinticite is Not Radioactive
 

Tinticite Classification
Help on Dana Class: Dana Class: 42.12.04.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.12)with miscellaneous formulae
  (42.12.04)Tinticite Group
 
42.12.04.01 Tinticite Fe5(PO4,VO4)4•7(H2O) P1 1
 
42.12.04.02 Kamarizaite! Fe3(AsO4)2(OH)3•3H2O Pccm, Pcc2, Pcmm, Pcm21 Ortho
Help on Strunz Class: Strunz Class: 08.DC.32 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DC -With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1
 
08.DC.32 Tinticite Fe5(PO4,VO4)4•7(H2O) P1 1
 

Other Tinticite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(AmMin, v 86, p 379) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Tinticite :
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

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Ask about Tinticite here :
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Print or Cut-and-Paste your Tinticite Specimen Label here :

Tinticite

Fe+++5(PO4,VO4)4•7(H2O)
Dana No: 42.12.04.01 Strunz No: 08.DC.32
Locality:

 

Notes: