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.
Unique Identifiers
Mindat ID:
2196
Long-form identifier:
mindat:1:1:2196:4
GUID
(UUID V4):
(UUID V4):
242e5e5e-ee3d-4dd1-838c-f9a2b9dde85a
Classification of Kharaelakhite
Approved
First published:
1985
Type description reference:
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
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
2.7.5.1
2 : SULFIDES
7 : AmBnXp, with (m+n):p = 9:8
2 : SULFIDES
7 : AmBnXp, with (m+n):p = 9:8
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
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 IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Klh | 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 Kharaelakhite
Metallic
Optical Data of Kharaelakhite
Anisotropism:
pink-lilac to bluish.
Bireflectance:
weak
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
440nm | 37.1% | 39.6% |
480nm | 36.6% | 40.9% |
520nm | 36.8% | 41.8% |
560nm | 37.1% | 42.2% |
600nm | 38.3% | 43.0% |
640nm | 38.8% | 43.7% |
680nm | 39.0% | 44.4% |
700nm | 38.1% | 44.8% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 44.8%.
R1 shown in black, R2 shown in red
Colour in reflected light:
grayish with a brownish-lilac tint
Chemical Properties of Kharaelakhite
Formula:
(Cu,Pt,Pb,Fe,Ni)9S8
Common Impurities:
Pd
Crystallography of Kharaelakhite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/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 Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
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 Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 3b: Earth’s earliest hydrosphere | >4.45 |
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33) |
Type Occurrence of Kharaelakhite
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:
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 Kharaelakhite
Other Language Names for Kharaelakhite
German:Kharaelakhit
Spanish:Kharaelakhita
Related Minerals - Strunz-mindat Grouping
2.BB. | Horomanite | Fe6Ni3S8 |
2.BB. | Samaniite | Cu2Fe5Ni2S8 |
2.BB. | UM2007-27-S:CuFeIrNiRh | (Ni,Fe,Cu,Rh,Ir)11S9 |
2.BB. | Arsenotučekite | Ni18Sb3AsS16 |
2.BB. | Hrabákite | Ni9PbSbS8 |
2.BB.05 | Heazlewoodite | Ni3S2 |
2.BB.05 | Oregonite | Ni2FeAs2 |
2.BB.05 | Vozhminite | (Ni,Co)4(As,Sb)S2 |
2.BB.05 | UM2007-30-S:Fe | Fe3S2 |
2.BB.10 | Arsenohauchecornite | Ni18Bi3AsS16 |
2.BB.10 | Bismutohauchecornite | Ni9Bi2S8 |
2.BB.10 | Hauchecornite | Ni9BiSbS8 |
2.BB.10 | Tellurohauchecornite | Ni9Bi(Te,Bi)S8 |
2.BB.10 | Tučekite | Ni9Sb2S8 |
2.BB.15 | Argentopentlandite | Ag(Fe,Ni)8S8 |
2.BB.15 | Cobaltpentlandite | Co9S8 |
2.BB.15 | Geffroyite | (Cu,Fe,Ag)9(Se,S)8 |
2.BB.15 | Godlevskite | (Ni,Fe)9S8 |
2.BB.15 | Manganoshadlunite | (Mn,Pb,Cd)(Cu,Fe)8S8 |
2.BB.15 | Pentlandite | (NixFey)Σ9S8 |
2.BB.15 | Shadlunite | (Pb,Cd)(Fe,Cu)8S8 |
2.BB.15 | Sugakiite | Cu(Fe,Ni)8S8 |
2.BB.15 | UM2002-26-S:FeNi | (Ni,Fe)9S8 |
2.BB.15 | Ferhodsite | (Fe,Rh,Ni,Ir,Cu,Pt)9S8 |
2.BB.15 | Oberthürite | Rh3Ni32S32 |
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 Kharaelakhite
mindat.org URL:
https://www.mindat.org/min-2196.html
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External Links:
Mineral Dealers:
References for Kharaelakhite
Reference List:
Localities for Kharaelakhite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
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