Vymazalová, Anna, Laufek, František, Sluzhenikin, Sergei F., Stanley, Chris J., Kozlov, Vladimir V., Chareev, Dmitry A., Lukashova, Maria L. (2017) Kravtsovite, PdAg₂S, a new mineral from the Noril'sk-Talnakh deposit, Krasnoyarskiy kray, Russia. European Journal of Mineralogy, 29 (4) 597-602 doi:10.1127/ejm/2017/0029-2653

Classification of KravtsoviteHide

Strunz-mindat (2023):

2.BC.37

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
C : With Rh, Pd, Pt, etc.

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Kvt	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of KravtsoviteHide

Lustre:

Metallic

Colour:

Yellowish white in plane-polarised light

Streak:

Grey

Tenacity:

Brittle

Density:

8.73 g/cm³ (Calculated)

Optical Data of KravtsoviteHide

Anisotropism:

Strong with rotation tints of salmon-pink, orange, pale blue and dark blue–black

Bireflectance:

Strong

Reflectivity:

Wavelength	R₁	R₂
400nm	30.6%	37.0%
440nm	31.5%	38.0%
470nm	32.2%	38.8%
500nm	32.5%	39.2%
520nm	32.4%	39.2%
546nm	31.6%	39.4%
560nm	31.2%	39.5%
589nm	30.2%	39.8%
620nm	29.5%	40.3%
650nm	28.8%	41.1%
680nm	28.2%	41.8%
700nm	27.8%	42.3%

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 42.3%.
R₁ shown in black, R₂ shown in red

Internal Reflections:

None

Pleochroism:

Strong

Comments:

in shades of slightly yellowish white to bluish grey.

Chemistry of KravtsoviteHide

Mindat Formula:

PdAg₂S

Elements listed:

Ag, Pd, S - search for minerals with similar chemistry

Crystallography of KravtsoviteHide

Crystal System:

Orthorhombic

Class (H-M):

mmm (2/m 2/m 2/m) - Dipyramidal

Space Group:

Cmcm

Setting:

Cmcm

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
2.632 Å	(51)
2.458 Å	(65)
2.426 Å	(71)
2.378 Å	(36)
2.330 Å	(60)
2.235 Å	(100)
2.197 Å	(48)
2.061 Å	(42)

Comments:

From Type Description.

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-𝑇 alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of KravtsoviteHide

Type Locality:

ⓘ Komsomol'skii Mine, Talnakh Cu-Ni Deposit, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Krasnoyarsk Krai, Russia

General Appearance of Type Material:

As equant inclusions (ranging in size from a few μm to 40–50 μm) in silicates and pyrite intergrown with vysotskite and Au–Ag alloy in aggregates (100–200 μm across).

Place of Conservation of Type Material:

Type material is deposited in the mineralogical collections of the Department of Earth Sciences, Natural History Museum, London, UK, catalogue number BM 2016,150

Associated Minerals at Type Locality:

Vysotskite	Vysotskite	Telargpalite	Stibiopalladinite	Sopcheite
Sobolevskite	Pyrite	Moncheite	Malyshevite	Kotulskite
Insizwaite	Cooperite	Braggite

Reference:

Vymazalová, A., Laufek, F., Sluzhenikin, S.F., Stanley, C.J., Kozlov, V.V., Chareev, D.A., Lukashova, M.L. (2017): Kravtsovite, PdAg2S, a new mineral from the Noril’sk-Talnakh deposit, Krasnoyarskiy kray, Russia. European Journal of Mineralogy: 29: 597-602.

Synonyms of KravtsoviteHide

IMA2016-092

Common AssociatesHide

Associated Minerals Based on Photo Data:

1 photo of Kravtsovite associated with Galena	PbS
1 photo of Kravtsovite associated with Chalcopyrite	CuFeS₂
1 photo of Kravtsovite associated with Diopside	CaMgSi₂O₆

Related Minerals - Strunz-mindat Grouping Hide

2.BC.	UM2004-45-Se:AgHgPd	(Ag,Cu)₆Hg₂Pd₂Se₃
2.BC.	Fleetite	Cu₂RhIrSb₂	Iso. m3m (4/m 3 2/m) : Fd3m
2.BC.	Coldwellite	Pd₃Ag₂S	Iso. 4 3 2 : P4₃ 3 2
2.BC.	Panskyite	Pd₉Ag₂Pb₂S₄	Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.BC.05	Palladseite	Pd₁₇Se₁₅	Iso. m3m (4/m 3 2/m)
2.BC.05	Miassite	Rh₁₇S₁₅	Iso. m3m (4/m 3 2/m) : Pm3n
2.BC.05	UM2000-47-S:CuFePdPt	PtPd(Fe,Cu)S
2.BC.10	Oosterboschite	(Pd,Cu)₇Se₅	Orth.
2.BC.15	Chrisstanleyite	Ag₂Pd₃Se₄	Mon. 2/m : P2₁/b
2.BC.15	Jagüéite	Cu₂Pd₃Se₄	Mon. 2/m : P2₁/b
2.BC.20	Keithconnite	Pd₂₀Te₇	Trig. 3 : R3
2.BC.25	Vasilite	(Pd,Cu)₁₆(S,Te)₇	Iso. 4 3m : I4 3m
2.BC.30	Telluropalladinite	Pd₉Te₄	Mon. 2/m : P2₁/b
2.BC.35	Luberoite	Pt₅Se₄	Mon. 2/m : P2₁/b
2.BC.35	Kojonenite	Pd_7-xSnTe₂ (0.3 ≤ x ≤ 0.8)	Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.BC.40	Oulankaite	(Pd,Pt)₅(Cu,Fe)₄SnTe₂S₂	Tet.
2.BC.40	Lukkulaisvaaraite	Pd₁₄Ag₂Te₉	Tet. 4/m : I4/m
2.BC.42	Monchetundraite	Pd₂NiTe₂	Orth. mmm (2/m 2/m 2/m) : Ibam
2.BC.45	Telargpalite	(Pd,Ag)₃(Te,Bi)	Iso.
2.BC.45	Thalhammerite	Pd₉Ag₂Bi₂S₄	Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.BC.47	Vymazalováite	Pd₃Bi₂S₂	Iso. 2 3 : I2₁ 3
2.BC.50	Temagamite	Pd₃HgTe₃	Trig. 3m : P3m1
2.BC.55	Sopcheite	Ag₄Pd₃Te₄	Orth.
2.BC.55	Bowlesite	PtSnS	Orth. mm2 : Pca2₁
2.BC.60	Laflammeite	Pd₃Pb₂S₂	Mon. 2/m : B2/m
2.BC.65	Tischendorfite	Pd₈Hg₃Se₉	Orth.

Other InformationHide

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 KravtsoviteHide

mindat.org URL:

https://www.mindat.org/min-51469.html
Please feel free to link to this page.

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External Links:

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for KravtsoviteHide

Reference List:

Hålenius, Ulf, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2017) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 35. European Journal of Mineralogy, 29 (1) 149-152 doi:10.1127/ejm/2017/0029-2626

(2023) Kravtsovite. Handbook of Mineralogy. Mineralogical Society of America

Localities for KravtsoviteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - 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.


Canada
Ontario Thunder Bay District Coldwell complex ⓘ Marathon deposit	Ames, D.E., Kjarsgaard, I.M., McDonald, A.M. & Good, D.J. (2017) Insights into the extreme PGE enrichment of the W Horizon, Marathon Cu-Pd deposit, Coldwell Alkaline Complex, Canada: Platinum-group mineralogy, compositions and genetic implications. Ore Geology Reviews 2017, xx-xx.

Russia (TL)
Krasnoyarsk Krai Taymyrskiy Autonomous Okrug Taimyr Peninsula Putoran Plateau Noril'sk Talnakh Cu-Ni Deposit ⓘ Komsomol'skii Mine (TL)	CNMNC Newsletter No. 35, February 2017 Mineralogical Magazine, 81, 209–213. Vymazalová, Anna, Laufek, František, Sluzhenikin, Sergei F., Stanley, Chris J., Kozlov, Vladimir V., Chareev, Dmitry A., Lukashova, Maria L. (2017) Kravtsovite, PdAg₂S, a new mineral from the Noril'sk-Talnakh deposit, Krasnoyarskiy kray, Russia. European Journal of Mineralogy, 29 (4) 597-602 doi:10.1127/ejm/2017/0029-2653

Kravtsovite

About KravtsoviteHide

Unique IdentifiersHide

IMA Classification of KravtsoviteHide