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Vincentite Mineral Data
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General Vincentite Information
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 Chemical Formula: |
(Pd,Pt)3(As,Sb,Te) |
| Composition: |
Molecular Weight = 466.99 gm |
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Antimony 7.82 % Sb |
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Tellurium 8.20 % Te |
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Arsenic 8.02 % As |
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Palladium 59.25 % Pd |
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Platinum 16.71 % Pt |
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______ |
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100.00 % |
| Empirical Formula: |
Pd2.6Pt0.4As0.5Sb0.3Te0.3 |
| IMA Status: |
Approved IMA 1974 |
| Locality: |
Riam Kanan, R., Borneo Link to MinDat.org Location Data. |
| Name Origin: |
Named for Ewart A. Vincent (1919-), professor of mineralogy, Oxford University. |
| Name Pronunciation: |
Vincentite + Pronunciation  |
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Vincentite Image |
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Images:
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Vincentite
Comments: B&W reflected light image of vincentite (V) inclustions in Fe-bearing platinum (Pt-Fe) with a laminate of native osmium (Os). (CanMin, v40:457).
Location: Riam Kanan River, southeastern Borneo.
Scale: Scale Bar 40 µm.
© Canadian Mineralogist |
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Vincentite Crystallography
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| Axial Ratios: |
a:b:c =1.7768:1:1.2736 |
| Cell Dimensions: |
a = 11.226, b = 6.318, c = 8.047, Z = 8; beta = 100.95° V = 560.35 Den(Calc)= 11.07 |
| Crystal System: |
Monoclinic Space Group: Unk |
| X Ray Diffraction: |
By Intensity(I/Io): 1.8(1)(602), 1.775(0.9)(404), 1.745(0.8)(331),1.758(0.8)(423), 1.838(0.6)(600), |
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Physical Properties of Vincentite
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| Color: |
Gray. |
| Density: |
6.816 |
| Diaphaneity: |
Opaque |
| Hardness: |
5 - Apatite |
| Luster: |
Metallic |
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Optical Properties of Vincentite
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| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Vincentite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 470 nm |
38.80 |
43.10 |
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| 546 nm |
45.40 |
51.30 |
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| 589 nm |
48.00 |
54.20 |
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| 650 nm |
50.80 |
55.90 |
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Calculated Relative Intensity Colors of Vincentite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
230% |
| R1 |
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| R2 |
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Calculated Properties of Vincentite
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| Electron Density: |
Bulk Density (Electron Density)=9.40 gm/cc
note: Specific Gravity of Vincentite =11.1 gm/cc.
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| Fermion Index: |
Fermion Index = 0.19
Boson Index = 0.81 |
| Photoelectric: |
PEVincentite = 463.85 barns/electron
U=PEVincentite x rElectron Density=4,358.60 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vincentite is Not Radioactive |
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Vincentite Classification
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| Dana Class: |
02.02.05.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.02)where Am Bn Xp, with (m+n):p=3:1 |
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(02.02.05)Dana Group |
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02.02.05.01 Vincentite (Pd,Pt)3(As,Sb,Te) Unk Mono |
| Strunz Class: |
02.AC.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.A - Simple Sulfides, Selenides, etc |
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02.AC -Alloys of metalloids with PGE |
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02.AC.05a Atheneite (Pd,Hg)3As P 6/mmm 6/m 2/m 2/m |
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02.AC.05a Vincentite (Pd,Pt)3(As,Sb,Te) Unk Mono |
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Other Vincentite Information
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| References: |
NAME( Dana8) PHYS. PROP.(AmMin, Vol 88, p 255) OPTIC PROP.(AmMin, Vol 88, p 255) |
| See Also: |
Links to other databases for Vincentite :
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
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Vincentite
(Pd,Pt)3(As,Sb,Te)
Dana No: 02.02.05.01 Strunz No: 02.AC.05a
Locality:
Notes:
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