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Kharaelakhite

A valid IMA mineral species
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Formula:
(Cu,Pt,Pb,Fe,Ni)9S8
Lustre:
Metallic
Crystal System:
Orthorhombic
Name:
The new name is for the locality, the Kharaelakh plateau near the Talnakh deposit.
This page provides mineralogical data about Kharaelakhite.


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Unique IdentifiersHide

Mindat ID:
2196
Long-form identifier:
mindat:1:1:2196:4

IMA Classification of KharaelakhiteHide

Classification of KharaelakhiteHide

Strunz-mindat (2026):
2.BB.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
B : With Ni
Dana 8th ed.:
2.7.5.1

2 : SULFIDES
7 : AmBnXp, with (m+n):p = 9:8
Hey's CIM Ref.:
3.12.46

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

Physical Properties of KharaelakhiteHide

Lustre:
Metallic

Optical Data of KharaelakhiteHide

Anisotropism:
pink-lilac to bluish.
Bireflectance:
weak
Reflectivity:
WavelengthR1 (%)R2 (%)
440nm37.1%39.6%
480nm36.6%40.9%
520nm36.8%41.8%
560nm37.1%42.2%
600nm38.3%43.0%
640nm38.8%43.7%
680nm39.0%44.4%
700nm38.1%44.8%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 44.8%.
R1 shown in black, R2 shown in red
Colour in reflected light:
grayish with a brownish-lilac tint

Chemistry of KharaelakhiteHide

Mindat Formula:
(Cu,Pt,Pb,Fe,Ni)9S8
Element Weights:
Element% weight
Cu69.036 %
S30.964 %

Calculated from ideal end-member formula.
Elements listed:
Cu, Fe, Ni, Pb, Pt, S - search for minerals with similar chemistry
Common Impurities:
Pd

Crystallography of KharaelakhiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm(2/m2/m2/m) - Dipyramidal
Space Group:
Pmmm
Setting:
Pmmm
Cell Parameters:
a = 9.71 Å, b = 8.33 Å, c = 14.52 Å
Ratio:
a:b:c = 1.166 : 1 : 1.743
Unit Cell V:
1,174.44 ų (Calculated from Unit Cell)
Z:
4

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.03 Å(100)
1.854 Å(80)
1.591 Å(60)
1.077 Å(60)
1.865 Å(40)
1.205 Å(30)
1.069 Å(30)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 3b: Earth’s earliest hydrosphere>4.45
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)

Type Occurrence of KharaelakhiteHide

Type Locality:
ⓘ Komsomol'skii Mine, Talnakh Cu-Ni Deposit, Norilsk-Talnakh Mining Region, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Krasnoyarsk Krai, Russia
General Appearance of Type Material:
Elongated crystals to 120 µm and thin rims on braggite–cooperite.
Place of Conservation of Type Material:
Fersman Mineralogical Museum, Moscow, and in the mineralogical laboratory of the Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geology, Moscow.
Associated Minerals at Type Locality:
BorniteBraggiteChalcopyriteCooperiteMillerite
Reference:
Genkin, A.D., Evstigneeva, T.L., Byelsov, L.N., Laputina, I.P. (1985) Kharaelakhite (Pt,Cu,Pb,Fe,Ni)9S8 - a new sulphide of platinum, copper and lead. Mineralogiceskij Zhurnal: 7: 78-83.

Synonyms of KharaelakhiteHide

Other Language Names for KharaelakhiteHide

Related Minerals - Strunz-mindat GroupingHide

2.BB.ArsenotučekiteNi18Sb3AsS16Tet. 4mm : I4mm
2.BB.HrabákiteNi9PbSbS8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.'UM2007-27-S:CuFeIrNiRh'(Ni,Fe,Cu,Rh,Ir)11S9
2.BB.HoromaniteFe6Ni3S8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.SamaniiteCu2Fe5Ni2S8Tet. 4/mmm(4/m2/m2/m) : P42/mnm
2.BB.05HeazlewooditeNi3S2Trig. 32 : R32
2.BB.05'UM2007-30-S:Fe'Fe3S2
2.BB.05Vozhminite(Ni,Co)4(As,Sb)S2Hex.
2.BB.05OregoniteNi2FeAs2Hex.
2.BB.10HauchecorniteNi9BiSbS8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.10ArsenohauchecorniteNi18Bi3AsS16Tet.
2.BB.10TellurohauchecorniteNi9Bi(Te,Bi)S8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.10JinxiuiteNi18Bi2SbAsS16Tet. 4/mmm(4/m2/m2/m) : I4/mmm
2.BB.10BismutohauchecorniteNi9Bi2S8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.10TučekiteNi9Sb2S8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.15ArgentopentlanditeAg(Fe,Ni)8S8Iso. m3m(4/m32/m) : Fm3m
2.BB.15Shadlunite(Pb,Cd)(Fe,Cu)8S8Iso. m3m(4/m32/m) : Fm3m
2.BB.15Ferhodsite(Fe,Rh,Ni,Ir,Cu,Pt)9S8Tet.
2.BB.15CobaltpentlanditeCo9S8Iso. m3m(4/m32/m) : Fm3m
2.BB.15'UM2002-26-S:FeNi'(Ni,Fe)9S8Hex.
2.BB.15Pentlandite(NixFey)Σ9S8Iso. m3m(4/m32/m) : Fm3m
2.BB.15OberthüriteRh3Ni32S32Iso.
2.BB.15Geffroyite(Cu,Fe,Ag)9(Se,S)8Iso. m3m(4/m32/m) : Fm3m
2.BB.15'Manganoshadlunite'(Mn,Pb,Cd)(Cu,Fe)8S8
2.BB.15SugakiiteCu(Fe,Ni)8S8Tet. 4/mmm(4/m2/m2/m) : P42/mnm
2.BB.15Godlevskite(Ni,Fe)9S8Orth. 222 : C222
2.BB.15WangyanitePdNi8S8Iso. m3m(4/m32/m) : Fd3c

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 KharaelakhiteHide

References for KharaelakhiteHide

Localities for KharaelakhiteHide

Showing 4 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
 
  • Krasnoyarsk Krai
    • Taymyrskiy Autonomous Okrug
      • Taimyr Peninsula
- (2014) +1 other reference
Jambor (1989)
Genkin et al. (1985) +1 other reference
Begizov et al. (1974)
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