| |
 |
Laflammeite Mineral Data
|
|
|
General Laflammeite Information
|
 Chemical Formula: |
Pd3Pb2S2 |
| Composition: |
Molecular Weight = 797.79 gm |
| |
Palladium 40.02 % Pd |
| |
Lead 51.94 % Pb |
| |
Sulfur 8.04 % S |
| |
______ |
| |
100.00 % |
| Empirical Formula: |
Pd3Pb2S2 |
| Environment: |
Found with other PGM minerals in an ultra-basic intrusion. Related to parkerite Ni3Bi2S2 |
| IMA Status: |
Approved IMA 2002 (Dana # Added) |
| Locality: |
Penikat layered complex, Finland. Link to MinDat.org Location Data. |
| Name Origin: |
Named for J. H. Gilles Laflamme (1947-) of CANMET, Ottawa, who has contributed to the study of numerous PGM. |
| Synonym: |
IMA2000-014 |
| |
Laflammeite Image |
|
Images:
|
|
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
|
| Axial Ratios: |
a:b:c =1.4024:1:1.0115 |
| Cell Dimensions: |
a = 11.673, b = 8.323, c = 8.419, Z = 4; beta = 135.38° V = 574.52 Den(Calc)= 9.22 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m |
| 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
|
| Cleavage: |
{010} Perfect |
| Color: |
Brownish cream. |
| Diaphaneity: |
Opaque |
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
| Habit: |
Platy - Sheet forms (e.g. micas). |
| Habit: |
Subhedral Crystals - Occurs as crystals which tend to exhibit a recognizable crystal shape. |
| Hardness: |
3.5 - Copper Penny |
| Luster: |
Metallic |
| Streak: |
dark gray |
| |
Optical Properties of Laflammeite
|
| RL Anisotrophism: |
Weak, with brownish gray to grayish brown. |
| RL Bireflectance: |
Weak. |
| RL Color: |
Cream with brownish tints. |
| RL Pleochroism: |
None. |
| 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
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
200% |
| R1 |
|
|
|
|
|
|
|
|
|
| R2 |
|
|
|
|
|
|
|
|
|
Calculated Relative Intensity Colors of Laflammeite in Oil
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
240% |
270% |
280% |
| R1 |
|
|
|
|
|
|
|
|
|
|
|
|
| R2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Calculated Properties of Laflammeite
|
| Electron Density: |
Bulk Density (Electron Density)=7.72 gm/cc
note: Specific Gravity of Laflammeite =9.22 gm/cc.
|
| Fermion Index: |
Fermion Index = 0.2
Boson Index = 0.8 |
| Photoelectric: |
PELaflammeite =1,052.80 barns/electron
U=PELaflammeite x rElectron Density=8,127.65 barns/cc.
|
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Laflammeite is Not Radioactive |
| |
Laflammeite Classification
|
| Dana Class: |
02.03.07.01 (02)Sulfides - Including Selenides and Tellurides |
| |
(02.03)where Am Bn Xp, with (m+n):p=5:2 |
| |
(02.03.07)Dana Group |
| |
02.03.07.01 Laflammeite! Pd3Pb2S2 C 2/m 2/m |
| 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
|
| References: |
NAME( AmMin, Vol 88, p 476) PHYS. PROP.(AmMin, Vol 88, p 476) OPTIC PROP.(AmMin, Vol 88, p 476) |
| 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
Search for Laflammeite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Laflammeite :
Ask about Laflammeite 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
Espaņol
Print or Cut-and-Paste your Laflammeite Specimen Label here :
|
Laflammeite
Pd3Pb2S2
Dana No: 02.03.07.01 Strunz No: 02.BC.60
Locality:
Notes:
|
|
| |
| |
|
| |
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.