Vincentite
A valid IMA mineral species
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About Vincentite
Formula:
Pd3As
Colour:
Brownish gray
Lustre:
Metallic
Hardness:
5
Specific Gravity:
10.86 (Calculated)
Crystal System:
Monoclinic
Name:
Named in 1974 by Eugen Friedrich Stumpfl and M. Tarkien in honor of Ewart Albert "David" Vincent [1919 - December 24, 2012 Oxford, England, UK], reader in mineralogy at Durham College and Oxford University (UK) and chairman of Geology at Manchester University (UK). Vincent was an accomplished researcher in reflected light microscopy.
Type Locality:
Unique Identifiers
Mindat ID:
4184
Long-form identifier:
mindat:1:1:4184:9
GUID
(UUID V4):
(UUID V4):
531c4424-6999-4d12-86af-71ff65d2f166
IMA Classification of Vincentite
Approved
Approval year:
1973
First published:
1974
Classification of Vincentite
2.AC.05b
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
A : Alloys
C : Alloys of metalloids with PGE
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
A : Alloys
C : Alloys of metalloids with PGE
2.2.5.1
2 : SULFIDES
2 : AmBnXp, with (m+n):p = 3:1
2 : SULFIDES
2 : AmBnXp, with (m+n):p = 3:1
3.12.30
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals
Mineral Symbols
As of 2021 there are now IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMAâCNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMAâCNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Vin | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Vin | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Vincentite
Metallic
Transparency:
Opaque
Colour:
Brownish gray
Hardness:
5 on Mohs scale
Hardness:
VHN15=494 kg/mm2 - Vickers
Density:
10.86 g/cm3 (Calculated)
Optical Data of Vincentite
Anisotropism:
Weak, greenish gray to dark brown.
Bireflectance:
Weak
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
400nm | 36.0% | 36.5% |
420nm | 36.4% | 37.3% |
440nm | 36.4% | 38.7% |
460nm | 38.0% | 41.8% |
470nm | 38.8% | 43.1% |
480nm | 40.5% | 44.2% |
500nm | 42.0% | 46.1% |
520nm | 43.4% | 48.9% |
540nm | 45.1% | 51.1% |
546nm | 45.4% | 51.3% |
560nm | 46.3% | 52.2% |
580nm | 47.6% | 53.8% |
589nm | 48.0% | 54.2% |
600nm | 48.4% | 54.8% |
620nm | 48.9% | 55.8% |
640nm | 50.4% | 55.9% |
650nm | 50.8% | 55.9% |
660nm | 51.6% | 56.0% |
680nm | 53.1% | 55.8% |
700nm | 54.2% | 56.2% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 56.2%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Light brownish-gray
Chemistry of Vincentite
Mindat Formula:
Pd3As
Elements listed:
Crystallography of Vincentite
Crystal System:
Monoclinic
Cell Parameters:
a = 11.226(3) Å, b = 6.318(2) Å, c = 8.047(2) Å
β = 100.95(4)°
β = 100.95(4)°
Ratio:
a:b:c = 1.777 : 1 : 1.274
Unit Cell V:
560.35 Ă
Âł (Calculated from Unit Cell)
Z:
8
Comment:
Point Group: n.d.; Space Group: n.d
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
1.800 Ă | (100) |
1.775 Ă | (90) |
1.758 Ă | (80) |
1.745 Ă | (80) |
1.838 Ă | (60) |
2.888 Ă | (40) |
3.951 Ă | (30) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-đ alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) | |
Stage 4b: Highly evolved igneous rocks | >3.0 |
37 : Layered igneous intrusions and related PGE minerals |
Type Occurrence of Vincentite
General Appearance of Type Material:
Grains, typically 7-10 microns, to a maximum of 40 microns, in iron-bearing platinum.
Place of Conservation of Type Material:
n.d.
Geological Setting of Type Material:
Platinum-gold concentrates
Associated Minerals at Type Locality:
Reference:
Stumpfl, E.F., Tarkian, M. (1974) Vincentite, a new palladium mineral from south-east Borneo. Mineralogical Magazine: 39: 525-527.
Synonyms of Vincentite
Other Language Names for Vincentite
German:Vincentit
Spanish:Vincentita
Related Minerals - Strunz-mindat Grouping
2.AC. | Törnroosite | Pd11As2Te2 |
2.AC. | Vadlazarenkovite | Pd8Bi1.5Te1.25As0.25 |
2.AC.05a | Atheneite | Pd2As0.75Hg0.25 |
2.AC.10c | Arsenopalladinite | Pd8(As,Sb)3 |
2.AC.10b | Mertieite | Pd8Sb2.5As0.5 |
2.AC.10a | Stillwaterite | Pd8As3 |
2.AC.15a | Isomertieite | Pd11Sb2As2 |
2.AC.15b | Pseudomertieite | Pd11(Sb,As)4 |
2.AC.15a | Miessiite | Pd11Te2Se2 |
2.AC.20b | Palarstanide | Pd5(Sn,As)2 |
2.AC.20a | Stibiopalladinite | Pd5Sb2 |
2.AC.20c | Menshikovite | Pd3Ni2As3 |
2.AC.25e | Majakite | PdNiAs |
2.AC.25a | Palladoarsenide | Pd2As |
2.AC.25f | Palladobismutharsenide | Pd2(As,Bi) |
2.AC.25c | Palladodymite | (Pd,Rh)2As |
2.AC.25b | Rhodarsenide | (Rh,Pd)2As |
2.AC.25d | Naldrettite | Pd2Sb |
2.AC.30 | UM1999-02-As:NiRh | (Rh,Ni)7As4 |
2.AC.30 | Polkanovite | Rh12As7 |
2.AC.35a | Genkinite | Pt4Sb3 |
2.AC.35b | Ungavaite | Pd4Sb3 |
2.AC.40 | Polarite | Pd(Bi,Pb) |
2.AC.45a | Froodite | α-PdBi2 |
2.AC.50 | Nipalarsite | Ni8Pd3As4 |
2.AC.50 | Viteite | Pd5InAs |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Vincentite
mindat.org URL:
https://www.mindat.org/min-4184.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
References for Vincentite
Reference List:
Localities for Vincentite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Canada | |
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China | |
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Finland | |
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France | |
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Greenland | |
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Indonesia (TL) | |
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Madagascar | |
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Poland | |
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Russia | |
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Sushchenko, Artyom, Groshev, Nikolay, Rundkvist, Tatyana, Kompanchenko, Alena, Savchenko, Yevgeny (2023) Apatite as an Indicator for the Formation of PGE Mineralization as Exemplified by Anorthosites of the Kievey Deposit, Fedorova-Pana Layered Complex, Kola Peninsula, Russia. Minerals, 13 (12) doi:10.3390/min13121473 | |
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| Mikhailov, V. V., Stepanov, S. Yu., Kozlov, A. V., Petrov, S. V., Palamarchuk, R. S., Shilovskikh, V. V., Abramova, V. D. (2021) New CopperâPrecious Metal Occurrence in Gabbro of the Serebryansky Kamen Massif, Ural Platinum Belt, Northern Urals. Geology of Ore Deposits, 63 (6) 528-555 doi:10.1134/s1075701521060040 |
South Africa | |
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Turkey | |
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USA | |
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Zimbabwe | |
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Kalimantan, Indonesia