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Cherepanovite

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Placer Deposit, Northern Pekul'nei River, Pekul'nei Range, Chukotka (Tchukotka) Okrug, Chukot Peninsula, Far-Eastern Region, Russia
© Thomas Witzke

Formula:
RhAs
System:OrthorhombicHardness:6
This page provides mineralogical data about Cherepanovite.

Classification of Cherepanovite

IMA status:Approved
Strunz 8th edition ID:2/C.20-130
Nickel-Strunz 10th (pending) edition ID:2.CC.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
C : With Ni, Fe, Co, PGE, etc.
Dana 8th edition ID:2.8.17.2

2 : SULFIDES
8 : AmXp, with m:p = 1:1
Hey's CIM Ref.:3.12.11

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
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Type Occurrence of Cherepanovite

Type Locality:Placer Deposit, Northern Pekul'nei River, Pekul'nei Range, Chukotka (Tchukotka) Okrug, Chukot Peninsula, Far-Eastern Region, Russia
Year of Discovery:1985

Physical Properties of Cherepanovite

Hardness (Mohs):6

Crystallography of Cherepanovite

Crystal System:Orthorhombic
Cell Parameters:a = 5.7Å, b = 3.59Å, c = 6Å
Ratio:a:b:c = 1.588 : 1 : 1.671
Unit Cell Volume:V 122.78 ų (Calculated from Unit Cell)

Chemical Properties of Cherepanovite

Formula:
RhAs
Essential elements:As, Rh
All elements listed in formula:As, Rh
Common Impurities:Ru,Pt,Ni

Relationship of Cherepanovite to other Species

Related Minerals - Nickel-Strunz Grouping):
2.CC.05Achavalite
FeSe
2.CC.05Breithauptite
NiSb
2.CC.05Freboldite
CoSe
2.CC.05Hexatestibiopanickelite
Ni(Te,Sb)
2.CC.05Kotulskite
Pd(Te,Bi)
 
1-2
2.CC.05Langisite
(Co,Ni)As ratio Co:Ni = 5:1
2.CC.05Nickeline
NiAs
2.CC.05Sederholmite
NiSe Beta-NiSe
2.CC.05Sobolevskite
PdBi
2.CC.05Stumpflite
Pt(Sb,Bi)
2.CC.05Sudburyite
(Pd,Ni)Sb
2.CC.05Jaipurite
CoS
2.CC.05Zlatogorite
NiCuSb
 
2
2.CC.05Vavřínite
Ni
 
2
SbTe
 
2
2.CC.10Pyrrhotite
Fe
 
0.83-1
S
2.CC.10Smythite
(Fe,Ni)
 
9
S
 
11
2.CC.10Troilite
FeS
2.CC.15Modderite
(Co,Fe)As
2.CC.15Ruthenarsenite
(Ru,Ni)As
2.CC.15Westerveldite
(Fe,Ni,Co)As
2.CC.20Millerite
NiS
2.CC.20Mäkinenite
γ-NiSe
2.CC.25Mackinawite
(Fe,Ni)
 
9
S
 
8
2.CC.30Braggite
(Pt,Pd,Ni)S
2.CC.30Cooperite
(Pt,Pd,Ni)S
2.CC.30Vysotskite
(Pd,Ni)S
Related Minerals - Hey's Index Grouping:
3.12.1Seinäjokite
(Fe,Ni)(Sb,As)
 
2
3.12.2Laurite
RuS
 
2
3.12.3Ruthenarsenite
(Ru,Ni)As
3.12.4Anduoite
(Ru,Os)As
 
2
3.12.5Ruarsite
(Ru,Os)AsS
3.12.6Xingzhongite
(Pb,Cu,Fe)(Ir,Pt,Rh)
 
2
S
 
4
3.12.7Rhodplumsite
Rh
 
3
Pb
 
2
S
 
2
3.12.8Cuprorhodsite
(Cu,Fe)Rh
 
2
S
 
4
3.12.9Konderite
Cu
 
3
Pb(Rh,Pt,Ir)
 
8
S
 
16
3.12.10Bowieite
(Rh,Ir,Pt)
 
2
S
 
3
3.12.12Hollingworthite
(Rh,Pt,Pd)AsS
3.12.13Vysotskite
(Pd,Ni)S
3.12.14Vasilite
(Pd,Cu)
 
16
(S,Te)
 
7
3.12.15Palladseite
Pd
 
17
Se
 
15
3.12.16Oosterboschite
(Pd,Cu)
 
7
Se
 
5
3.12.17Telluropalladinite
Pd
 
9
Te
 
4
3.12.18Temagamite
Pd
 
3
HgTe
 
3
3.12.19Sopcheite
Ag
 
4
Pd
 
3
Te
 
4
3.12.20Michenerite
PdBiTe
3.12.21Kotulskite
Pd(Te,Bi)
 
1-2
3.12.22Telargpalite
(Pd,Ag)
 
3
(Te,Bi)
3.12.23Merenskyite
(Pd,Pt)(Te,Bi)
 
2
3.12.24Palladoarsenide
Pd
 
2
As
3.12.25Stillwaterite
Pd
 
8
As
 
3
3.12.26Atheneite
(Pd,Hg)
 
3
As
3.12.27Majakite
PdNiAs
3.12.28Palarstanide
Pd
 
8
(As,Sn)
 
3
3.12.29Arsenopalladinite
Pd
 
8
(As,Sb)
 
3
3.12.30Vincentite
Pd
 
3
As
3.12.31Palladobismutharsenide
Pd
 
2
(As,Bi)
3.12.32Stibiopalladinite
Pd
 
5
Sb
 
2
3.12.33Hexatestibiopanickelite
Ni(Te,Sb)
3.12.34Sudburyite
(Pd,Ni)Sb
3.12.35Testibiopalladite
PdTe(Sb,Te)
3.12.36Borovskite
Pd
 
3
SbTe
 
4
3.12.37Isomertieite
Pd
 
11
Sb
 
2
As
 
2
3.12.38Mertieite-I
Pd
 
11
(Sb,As)
 
4
3.12.39Mertieite-II
Pd
 
8
(Sb,As)
 
3
3.12.40Sobolevskite
PdBi
3.12.41Froodite
α-PdBi
 
2
3.12.42Polarite
Pd(Bi,Pb)
3.12.43Urvantsevite
Pd(Bi,Pb)
 
2
3.12.44Cooperite
(Pt,Pd,Ni)S
3.12.45Braggite
(Pt,Pd,Ni)S
3.12.46Kharaelakhite
(Pt,Cu,Pb,Fe,Ni)
 
9
S
 
8
3.12.47Malanite
Cu(Pt
3+
 
,Ir
3+
 
)
 
2
S
 
4
3.12.48Moncheite
(Pt,Pd)(Te,Bi)
 
2
3.12.49Maslovite
PtBiTe
3.12.50Sperrylite
PtAs
 
2
3.12.51Platarsite
(Pt,Rh,Ru)AsS
3.12.52Geversite
PtSb
 
2
3.12.53Daomanite
CuPtAsS
 
2
3.12.54Genkinite
(Pt,Pd,Rh)
 
4
Sb
 
3
3.12.55Stumpflite
Pt(Sb,Bi)
3.12.56Insizwaite
Pt(Bi,Sb)
 
2
3.12.57Erlichmanite
OsS
 
2
3.12.58Omeiite
(Os,Ru)As
 
2
3.12.59Osarsite
(Os,Ru)AsS
3.12.60Kashinite
(Ir,Rh)
 
2
S
 
3
3.12.61Inaglyite
Cu
 
3
Pb(Ir,Pt)
 
8
S
 
16
3.12.62Cuproiridsite
(Cu,Fe)Ir
 
2
S
 
4
3.12.63Iridarsenite
(Ir,Ru)As
 
2
3.12.64Irarsite
(Ir,Ru,Rh,Pt)AsS
3.12.65Tolovkite
IrSbS

Other Names for Cherepanovite

Synonyms:
IMA1984-041
German names:
Cherepanovit
Spanish names:
Cherepanovita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Cherepanovite

Reference List:American Mineralogist: 71: 1544.

Internet Links for Cherepanovite

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    Localities for Cherepanovite

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    New Zealand
     
    • South Island
      • Howard Valley
    		Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
    Russia
     
    • Eastern-Siberian Region
    		www.cosis.net/abstracts/EAE03/14099/EAE03-A-14099.pdf.
    • Far-Eastern Region
      • Chukot Peninsula
        • Chukotka (Tchukotka) Okrug
          • Pekul'nei Range
            • Northern Pekul'nei River
      • Koriak-Kamchatka area (Koriak Autonomous Okrug & Kamchatka Oblast')
    		ZVMO 114 (1985), 464; HB1 (1990)
      • Primorskiy Kray
        • Khanka lake
    		Shcheka G.G., Vrzhosek A.A., Lehmann B., Tolstykh N.D. (2004) Associations of platinum-group minerals from the Zolotaya gold placiers, Primorye, Russian Far East, - Can. Miner., v.42, pp. 583-599.
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
    		[AmMin 84:195]
    USA
     
    • Alaska
      • Bethel Borough
    		www.cannonmicroprobe.com/Mineral_Specimens.htm
    Mineral and/or Locality
    Google
     
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