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Zaykovite

A valid IMA mineral species
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05525810017272473285895.jpg
Victor V. Zaykov
Formula:
Rh3Se4
Specific Gravity:
8.32 (Calculated)
Crystal System:
Monoclinic
Name:
Named in honor of Victor Vladimirovich Zaykov (Виктор Владимирович Зайков) (3 May 1938, Vladivostok, Far Eastern Territory, USSR - 22 December 2017, Miass, Chelyabinsk Region, Russia), professor at the Institute of Mineralogy, Ural Branch of the Russian Academy of Sciences.
First approved rhodium selenide mineral (compare UM2007-33-Se:CuRhS). The Se analogue of kingstonite.
Structurally a bit different from its nickel analogue, wilkmanite.


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Unique IdentifiersHide

Mindat ID:
54352
Long-form identifier:
mindat:1:1:54352:9

Similar NamesHide

SaukoviteA variety of Metacinnabar(Hg,Cd)S

IMA Classification of ZaykoviteHide

IMA status:
Approved
First published:
2023

Classification of ZaykoviteHide

Strunz-mindat (2026):
2.DA.

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
A : M:S = 3:4

Mineral SymbolsHide

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

SymbolSourceReference for Standard
ZayIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of ZaykoviteHide

Density:
8.32 g/cm3 (Calculated)

Optical Data of ZaykoviteHide

Anisotropism:
Weak
Bireflectance:
Weak.
Reflectivity:
WavelengthR1 (%)R2 (%)
470nm29.3%30.1%
546nm31.0%32.2%
589nm32.0%33.4%
650nm33.7%35.1%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 35.1%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Grey colour with bluish-greenish tint.

Chemistry of ZaykoviteHide

Mindat Formula:
Rh3Se4
Element Weights:
Element% weight
Se50.570 %
Rh49.430 %

Calculated from ideal end-member formula.
Elements listed:
Rh, Se - search for minerals with similar chemistry

Crystallography of ZaykoviteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 10.877(1) Å, b = 11.192(1) Å, c = 6.4796(6) Å
β = 108.887(2)°
Ratio:
a:b:c = 0.972 : 1 : 0.579
Unit Cell V:
746.33 ų (Calculated from Unit Cell)
Z:
6

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.43 Å(37)
3.275 Å(75)
3.199 Å(100)
3.061 Å(87)
2.568 Å(62)
2.545 Å(41)
3.413 Å(34)
1.697 Å(34)
Locality:
Kazan Au-bearing placers, Gogino, Bredinsky District, Chelyabinsk Oblast, Russia
Comments:
Kazan placers, Chelyabinsk Oblast, Russia. Data from the type description.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
26 : Hadean detrital minerals
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of ZaykoviteHide

Type Locality:
ⓘ Kazan Au-bearing placers, Gogino, Bredinsky District, Chelyabinsk Oblast, Russia
General Appearance of Type Material:
Crystals up to 40 μm in size within grains of Pt3Fe alloy.
Place of Conservation of Type Material:
Collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registration number 5395/1.
Geological Setting of Type Material:
Placer deposit. Possibly derived from serpentinised dunite–harzburgite or gabbro–clinopyroxenite–dunite complexes in the vicinity.

Other Language Names for ZaykoviteHide

Dutch:Zaykoviet
German:Zaykovit

Related Minerals - Strunz-mindat GroupingHide

2.DA.FerrodimolybdeniteFeMo2S4Mon. 2/m : B2/b
2.DA.EzochiiteCu+(Rh3+Pt4+)S4Iso. m3m(4/m32/m) : Fd3m
2.DA.GrimmiteNiCo2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.ZolenskyiteFeCr2S4Mon. 2/m : B2/m
2.DA.05ShiranuiiteCu+(Rh3+Rh4+)S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05FletcheriteCuNi2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05Florensovite(Cu,Zn)Cr1.5Sb0.5S4Iso. m3m(4/m32/m)
2.DA.05SiegeniteCoNi2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05CadmoinditeCdIn2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05KalininiteZnCr2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05ViolariteFe2+Ni3+2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05NickeltyrrelliteCuNi2Se4Iso. m3m(4/m32/m) : Fd3m
2.DA.05LinnaeiteCo2+Co3+2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05CarrolliteCuCo2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05Cuproiridsite(Cu,Fe)Ir2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05Cuprorhodsite(Cu+0.5Fe3+0.5)Rh3+2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05BerndlehmanniteCu(CrV)S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05PolydymiteNi2+Ni3+2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05TrüstedtiteNi3Se4Iso.
2.DA.05DaubréeliteFe2+Cr3+2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05CuprokalininiteCu(Cr3+Cr4+)S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05GreigiteFe2+Fe3+2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05JoegoldsteiniteMnCr2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05BornhardtiteCo2+Co3+2Se4Iso. m3m(4/m32/m) : Fd3m
2.DA.05TyrrelliteCu(Co,Ni)2Se4Iso. m3m(4/m32/m) : Fd3m
2.DA.05InditeFeIn2S4Iso. m3m(4/m32/m) : Fd3m
2.DA.05XingzhongitePb2+Ir3+2S4Iso.
2.DA.05MalaniteCu+(Ir3+Pt4+)S4Iso. m3m(4/m32/m)
2.DA.10RhodostanniteCu+(Fe2+0.5Sn4+1.5)S4Tet. 4/m : I41/a
2.DA.10ToyohaiteAg+(Fe2+0.5Sn4+1.5)S4Tet. 4/m : I41/a
2.DA.15BrezinaiteCr3S4Mon. 2/m
2.DA.15Heideite(Fe,Cr)1.15(Ti,Fe)2S4Mon. 2/m
2.DA.20KonderiteCu3Pb(Rh,Pt,Ir)8S16Hex. 6/m : P6/m
2.DA.20InaglyiteCu3Pb(Ir,Pt)8S16Hex.
2.DA.25KingstoniteRh3S4Mon. 2/m : B2/m

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 ZaykoviteHide

References for ZaykoviteHide

Localities for ZaykoviteHide

Showing 1 localities.

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.
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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.
Russia (TL)
 
  • Chelyabinsk Oblast
    • Bredinsky District
      • Gogino
Miyawaki et al. (2020) +1 other reference
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