Mineralogy Database

Tatyanaite Mineral Data

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General Tatyanaite Information

Help on Chemical  Formula: Chemical Formula: (Pt,Pd,Cu)9Cu3Sn4
Help on Composition: Composition: Molecular Weight = 14486.37 gm
   Copper     13.42 %  Cu
   Tin         3.28 %  Sn
   Palladium  25.12 %  Pd
   Platinum   58.18 %  Pt
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: 9(Pt4.8)9(Pd3.8)9(Cu3.4)Sn4
Help on Environment: Environment: Massive sulfide ores. Pt dominant endmember with taimyrite. In the central portion of Pt-Pd zoned grains.
Help on IMA Status: IMA Status: Approved IMA 1995 (Dana # Added)
Help on Locality: Locality: Oktyabr'sky deposit Noril'sk, Siberia, Russa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Russian mineralogist Tatyana L. Evstigneeva (or Yestigneeva) (1945-).
Help on Synonym: Synonym: IMA1995-049
 

Tatyanaite Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image

  Tatyanaite   Rustenburgite

Comments: Back-scattered electron images showing inclusions of rustenburgite intergrown with taimyrite-tatyanaite aggregates. (AmMin, v 42, p 608).
Location: Kondyor PGE placer, Khabarovskiy Kray, eastern Siberia, Russia. Scale: See Image.
© American Mineralogist

Tatyanaite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.9385:1:1.8992
Help on Cell Dimensions: Cell Dimensions: a = 7.89, b = 4.07, c = 7.73, Z = 0.14; V = 248.23 Den(Calc)= 13.57
Help on Crystal System: Crystal System: Orthorhombic Space Group: P mmm,Pmm2,P 222
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.283(1), 2.163(0.4), 1.369(0.3),
 

Physical Properties of Tatyanaite

Help on Cleavage: Cleavage: None
Help on Color: Color: Pink.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Malleable - Deforms rather than breaking apart with a hammer.
Help on Habit: Habit: Ductile - Grains deform from mechanical stress. Characteristic of metals.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Metallic
 

Optical Properties of Tatyanaite

Help on RL Anisotrophism: RL Anisotrophism: Distinct to moderate, from light brown to dark blue.
Help on RL Bireflectance: RL Bireflectance: Weak to distinct, brownish pink to pinkish lilac.
Help on RL Color: RL Color: Pink with lilac tinge in air.
Help on RL Pleochroism: RL Pleochroism: Weak to distinct, from brownish pink to pinkish lilac.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Tatyanaite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 470 nm   42.80   44.10 
   
 546 nm   49.50   50.00 
 589 nm   51.80   54.60 
 650 nm   55.60   56.80 
Standardized Intensity (100%) Reflection Spectra of Tatyanaite in Oil
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 470 nm   32.80   33.30 
   
 546 nm   37.60   38.80 
 589 nm   38.90   39.90 
 650 nm   41.60   44.20 
Calculated Relative Intensity Colors of Tatyanaite in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 210%
R1                  
R2                  
Calculated Relative Intensity Colors of Tatyanaite in Oil
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 270%
R1                      
R2                      
 

Calculated Properties of Tatyanaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=11.3 gm/cc
note: Specific Gravity of Tatyanaite =13.6 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.25
Boson Index = 0.75
Help on Photoelectric: Photoelectric: PETatyanaite = 985.91 barns/electron
U=PETatyanaite x rElectron Density=11138.31 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tatyanaite is Not Radioactive
 

Tatyanaite Classification

Help on  Dana Class: Dana Class: 01.02.07.02 (01)Native Elements
  (01.02)with platinum group metals and alloys
  (01.02.07)Dana Group
 
01.02.07.01 Taimyrite (Pd,Cu,Pt)3Sn Unk Ortho
 
01.02.07.02 Tatyanaite! (Pt,Pd,Cu)9Cu3Sn4 P mmm,Pmm2,P 222 Ortho
Help on  Strunz Class: Strunz Class: 01.AG.15 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
  01.A - Metals and Intermetallic Alloys
  01.AG -PGE-metal alloys
 
01.AG.15 Tatyanaite! (Pt,Pd,Cu)9Cu3Sn4 P mmm,Pmm2,P 222 Ortho
 
01.AG.15 Taimyrite (Pd,Cu,Pt)3Sn Unk Ortho
 

Other Tatyanaite Information

Help on References: References: NAME( AmMin, Vol 85, p 1845) PHYS. PROP.(AmMin, Vol 85, p 1845) OPTIC PROP.(AmMin, Vol 85, p 1845)
Help on See Also: See Also: Links to other databases for Tatyanaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Tatyanaite

(Pt,Pd,Cu)9Cu3Sn4
Dana No: 01.02.07.02 Strunz No: 01.AG.15
Locality:

 

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