Mineralogy Database

Laflammeite Mineral Data

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General Laflammeite Information

Help on Chemical  Formula: Chemical Formula: Pd3Pb2S2
Help on Composition: Composition: Molecular Weight = 797.79 gm
   Palladium  40.02 %  Pd
   Lead       51.94 %  Pb
   Sulfur      8.04 %  S
             100.00 % 
Help on Empirical Formula: Empirical Formula: Pd3Pb2S2
Help on Environment: Environment: Found with other PGM minerals in an ultra-basic intrusion. Related to parkerite Ni3Bi2S2
Help on IMA Status: IMA Status: Approved IMA 2002 (Dana # Added)
Help on Locality: Locality: Penikat layered complex, Finland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for J. H. Gilles Laflamme (1947-) of CANMET, Ottawa, who has contributed to the study of numerous PGM.
Help on Synonym: Synonym: IMA2000-014

Laflammeite Image

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

Comments: SEM image showing intergrowths of laflammeite (LF) with complexly zoned vysotskite (VS). The surrounding material is epoxy (black). (CanMin, v40:671).
Location: Kirakkajuppura PGE deposit, Penikat layered complex, Finland. Scale: See Image.
© Canadian Mineralogist

Laflammeite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.4024:1:1.0115
Help on Cell Dimensions: Cell Dimensions: a = 11.673, b = 8.323, c = 8.419, Z = 4; beta = 135.38° V = 574.52 Den(Calc)= 9.22
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.144(1)(020), 2.917(0.9)(220), 2.413(0.8)(022),2.365(0.7)(422), 5.953(0.6)(001), 2.082(0.5), 3.379(0.4),

Physical Properties of Laflammeite

Help on Cleavage: Cleavage: {010} Perfect
Help on Color: Color: Brownish cream.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Habit: Habit: Subhedral Crystals - Occurs as crystals which tend to exhibit a recognizable crystal shape.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Metallic
Help on Streak: Streak: dark gray

Optical Properties of Laflammeite

Help on RL Anisotrophism: RL Anisotrophism: Weak, with brownish gray to grayish brown.
Help on RL Bireflectance: RL Bireflectance: Weak.
Help on RL Color: RL Color: Cream with brownish tints.
Help on RL Pleochroism: RL Pleochroism: None.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Laflammeite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 470 nm   45.30   46.20 
 546 nm   46.50   47.55 
 589 nm   47.70   48.80 
 650 nm   49.60   50.00 
Standardized Intensity (100%) Reflection Spectra of Laflammeite in Oil
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 470 nm   31.55   32.45 
 546 nm   32.60   33.75 
 589 nm   33.90   35.05 
 650 nm   36.00   36.30 
Calculated Relative Intensity Colors of Laflammeite in Air
   0%   30%   60%   90% 100% 120% 150% 180% 200%
Calculated Relative Intensity Colors of Laflammeite in Oil
   0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 270% 280%

Calculated Properties of Laflammeite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=7.72 gm/cc
note: Specific Gravity of Laflammeite =9.22 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.2
Boson Index = 0.8
Help on Photoelectric: Photoelectric: PELaflammeite =1,052.80 barns/electron
U=PELaflammeite x rElectron Density=8,127.65 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Laflammeite is Not Radioactive

Laflammeite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.03)where Am Bn Xp, with (m+n):p=5:2
  (02.03.07)Dana Group Laflammeite! Pd3Pb2S2 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.BC.60 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BC -With Rh, Pd, Pt, etc.
02.BC.60 Laflammeite! Pd3Pb2S2 C 2/m 2/m

Other Laflammeite Information

Help on References: References: NAME( AmMin, Vol 88, p 476) PHYS. PROP.(AmMin, Vol 88, p 476) OPTIC PROP.(AmMin, Vol 88, p 476)
Help on See Also: See Also: Links to other databases for Laflammeite :
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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Dana No: Strunz No: 02.BC.60





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