Ungavaite Mineral Data

Ungavaite Mineral Data
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General Ungavaite Information

Help on Chemical Formula: Chemical Formula: Pd4Sb3
Help on Composition: Composition: Molecular Weight = 790.08 gm
   Iron        0.13 %  Fe
   Mercury     0.18 %  Hg
   Bismuth     0.42 %  Bi
   Antimony   44.52 %  Sb
   Tellurium   0.10 %  Te
   Arsenic     0.20 %  As
   Palladium  54.46 %  Pd
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: Pd4.04Sb2.88As0.02Fe2+0.01Bi0.01Hg0.007Te0.006
Help on Environment: Environment: Heavy-mineral concentrates derived from Ni-Cu-Co-PGE deposit drill-core rejects. Pd-dominant analogue of genkinite.
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Mesamax Northwest deposit, Ungava region, Quebec, Canada Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA2004-020
 

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Ungavaite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:3.11999
Help on Cell Dimensions: Cell Dimensions: a = 7.7388, c = 24.145, Z = 8; V = 1,446.02 Den(Calc)= 7.26
Help on Crystal System: Crystal System: Tetragonal - TrapezohedralH-M Symbol (4 2 2) Space Group: P 41212, P 4122, P 43212
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.2633(1), 3.0077(0.9), 1.9404(0.6),0.9221(0.3), 1.2002(0.3), 1.2465(0.3), 2.1471(0.3),
 

Physical Properties of Ungavaite

Help on Cleavage: Cleavage: None
Help on Color: Color: Dark gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Malleable - Deforms rather than breaking apart with a hammer.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Luster: Luster: Metallic
 

Optical Properties of Ungavaite

Help on RL Anisotrophism: RL Anisotrophism: Weak with pale blue-gray to deep blue rotation tints.
Help on RL Bireflectance: RL Bireflectance: Weak.
Help on RL Color: RL Color: Bright creamy white with no internal reflections.
Help on RL Pleochroism: RL Pleochroism: None.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Ungavaite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 470 nm   50.20   50.50 
   
 546 nm   55.60   55.90 
 589 nm   57.90   58.30 
 650 nm   60.20   60.70 
Calculated Relative Intensity Colors of Ungavaite in Air
Relative
Intensity		    0%   20%   40%   60%   80% 100% 120% 140% 160% 180%
R1                    
R2                    
 

Calculated Properties of Ungavaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.19 gm/cc
note: Specific Gravity of Ungavaite =7.26 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.12
Boson Index = 0.88
Help on Photoelectric: Photoelectric: PEUngavaite = 298.75 barns/electron
U=PEUngavaite x rElectron Density=1,848.46 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ungavaite is Not Radioactive
 

Ungavaite Classification
Help on Dana Class: Dana Class: 02.06.04.03 (02)Sulfides - Including Selenides and Tellurides
  (02.06)where Am Bn Xp, with (m+n):p=4:3
  (02.06.04)Genkinite Group
 
02.06.04.01 Genkinite (Pt,Pd)4Sb3 P 41212 4 2 2
 
02.06.04.02 Oulankaite! (Pd,Pt)5(Cu,Fe)4SnTe2S2 Tetra
 
02.06.04.03 Ungavaite! Pd4Sb3 P 41212, P 4122, P 43212 4 2 2
Help on Strunz Class: Strunz Class: 02.AC.35b 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.A - Simple Sulfides, Selenides, etc
  02.AC -Alloys of metalloids with PGE
 
02.AC.35b Ungavaite! Pd4Sb3 P 41212, P 4122, P 43212 4 2 2
 

Other Ungavaite Information
Help on References: References: NAME( AmMin, v91, p1207) PHYS. PROP.(AmMin, v91, p1207) OPTIC PROP.(AmMin, v91, p1207)
Help on See Also: See Also: Links to other databases for Ungavaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Ungavaite

Pd4Sb3
Dana No: 02.06.04.03 Strunz No: 02.AC.35b
Locality:

 

Notes: