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Cherepanovite

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Formula:
RhAs
System:
Orthorhombic
Colour:
Gray-white
Hardness:
6
Name:
For V. A. Cherepanov (1927-1983)
This page provides mineralogical data about Cherepanovite.

Classification of Cherepanovite

Approved
2/C.20-130
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.
2.8.17.2

2 : SULFIDES
8 : AmXp, with m:p = 1:1
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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First Recorded Occurrence of Cherepanovite

Year of Discovery:
1985
Geological Setting of First Recorded Material:
Placer platinum deposit derived from ultramafic massif in ophiolite belt.

Physical Properties of Cherepanovite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Gray-white
Streak:
Grayish black
Hardness (Mohs):
6
Hardness (Vickers):
VHN50=726 - 754 kg/mm2
Cleavage:
Distinct/Good
One distinct direction
Density:
9.72 g/cm3 (Calculated)

Crystallography of Cherepanovite

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Space Group Setting:
Pnma
Cell Parameters:
a = 5.70(2) Å, b = 3.59(1) Å, c = 6.00(1) Å
Ratio:
a:b:c = 1.588 : 1 : 1.671
Unit Cell Volume:
V 122.78 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Grains to 20 microns.

Optical Data of Cherepanovite

Type:
Anisotropic
Anisotropism:
Green to gray-brown
Colour in reflected light:
White with an orange tint
Pleochroism:
Weak
Comments:
In yellow to pinkish hue and bluish white.

Chemical Properties of Cherepanovite

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

Relationship of Cherepanovite to other Species

2.CC.UM2007-26-S:CuFeIrNiPtRh(Ir,Cu,Ni,Pt,Rh,Fe)9S11
2.CC.05Achavalite(Fe,Cu)Se
2.CC.05BreithauptiteNiSb
2.CC.05FrebolditeCoSe
2.CC.05KotulskitePd(Te,Bi)
2.CC.05Langisite(Co,Ni)As
2.CC.05NickelineNiAs
2.CC.05Sederholmitebeta-NiSe
2.CC.05SobolevskitePd(Bi,Te)
2.CC.05StumpflitePt(Sb,Bi)
2.CC.05Sudburyite(Pd,Ni)Sb
2.CC.05JaipuriteCoS
2.CC.05ZlatogoriteNiCuSb2
2.CC.10PyrrhotiteFe1-xS (x = 0 to 0.17)
2.CC.10Smythite(Fe,Ni)3+xS4 (x=0-0.3)
2.CC.10TroiliteFeS
2.CC.15Modderite(Co,Fe)As
2.CC.15Ruthenarsenite(Ru,Ni)As
2.CC.15Westerveldite(Fe,Ni,Co)As
2.CC.20MilleriteNiS
2.CC.20Mäkineniteγ-NiSe
2.CC.20UM1990-38-S:CuFeIrNiPtRh(Ir,Pt,Ni,Fe)S
2.CC.25Mackinawite(Fe,Ni)9S8
2.CC.30Hexatestibiopanickelite(Pd,Ni)(Sb,Te)
2.CC.30VavříniteNi2SbTe2
2.CC.35aBraggite(Pt,Pd,Ni)S
2.CC.35bCooperitePtS
2.CC.35aVysotskite(Pd,Ni)S
3.12.1Seinäjokite(Fe,Ni)(Sb,As)2
3.12.2LauriteRuS2
3.12.3Ruthenarsenite(Ru,Ni)As
3.12.4Anduoite(Ru,Os)As2
3.12.5Ruarsite(Ru,Os)AsS
3.12.6Xingzhongite(Pb,Cu,Fe)(Ir,Pt,Rh)2S4
3.12.7RhodplumsiteRh3Pb2S2
3.12.8Cuprorhodsite(Cu,Fe)Rh2S4
3.12.9KonderiteCu3Pb(Rh,Pt,Ir)8S16
3.12.10Bowieite(Rh,Ir,Pt)2S3
3.12.12Hollingworthite(Rh,Pt,Pd)AsS
3.12.13Vysotskite(Pd,Ni)S
3.12.14Vasilite(Pd,Cu)16(S,Te)7
3.12.15PalladseitePd17Se15
3.12.16Oosterboschite(Pd,Cu)7Se5
3.12.17TelluropalladinitePd9Te4
3.12.18TemagamitePd3HgTe3
3.12.19SopcheiteAg4Pd3Te4
3.12.20MicheneritePdBiTe
3.12.21KotulskitePd(Te,Bi)
3.12.22Telargpalite(Pd,Ag)3(Te,Bi)
3.12.23Merenskyite(Pd,Pt)(Te,Bi)2
3.12.24PalladoarsenidePd2As
3.12.25StillwateritePd8As3
3.12.26AtheneitePd2As0.75Hg0.25
3.12.27MajakitePdNiAs
3.12.28PalarstanidePd8(As,Sn)3
3.12.29ArsenopalladinitePd8(As,Sb)3
3.12.30VincentitePd3As
3.12.31PalladobismutharsenidePd2(As,Bi)
3.12.32StibiopalladinitePd5Sb2
3.12.33Hexatestibiopanickelite(Pd,Ni)(Sb,Te)
3.12.34Sudburyite(Pd,Ni)Sb
3.12.35TestibiopalladitePdTe(Sb,Te)
3.12.36BorovskitePd3SbTe4
3.12.37IsomertieitePd11Sb2As2
3.12.38Mertieite-IPd11(Sb,As)4
3.12.39Mertieite-IIPd8(Sb,As)3
3.12.40SobolevskitePd(Bi,Te)
3.12.41Frooditeα-PdBi2
3.12.42PolaritePd(Bi,Pb)
3.12.43UrvantsevitePd(Bi,Pb)2
3.12.44CooperitePtS
3.12.45Braggite(Pt,Pd,Ni)S
3.12.46Kharaelakhite(Cu,Pt,Pb,Fe,Ni)9S8
3.12.47MalaniteCu(Pt3+,Ir3+)2S4
3.12.48Moncheite(Pt,Pd)(Te,Bi)2
3.12.49MaslovitePtBiTe
3.12.50SperrylitePtAs2
3.12.51PlatarsitePtAsS
3.12.52GeversitePtSb2
3.12.53DaomaniteCuPtAsS2
3.12.54Genkinite(Pt,Pd,Rh)4Sb3
3.12.55StumpflitePt(Sb,Bi)
3.12.56InsizwaitePt(Bi,Sb)2
3.12.57ErlichmaniteOsS2
3.12.58Omeiite(Os,Ru)As2
3.12.59Osarsite(Os,Ru)AsS
3.12.60Kashinite(Ir,Rh)2S3
3.12.61InaglyiteCu3Pb(Ir,Pt)8S16
3.12.62Cuproiridsite(Cu,Fe)Ir2S4
3.12.63Iridarsenite(Ir,Ru)As2
3.12.64Irarsite(Ir,Ru,Rh,Pt)AsS
3.12.65TolovkiteIrSbS

Other Names for Cherepanovite

Name in Other Languages:

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.

References for Cherepanovite

Reference List:
American Mineralogist: 71: 1544.

Internet Links for Cherepanovite

Localities for Cherepanovite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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
    • Chukotskii Autonomous Okrug
      • Pekul'nei Range
        • Northern Pekul'nei River
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    • Koriak-Kamchatka area (Koriak Autonomous Okrug & Kamchatka Oblast')
ZVMO 114 (1985), 464; HB1 (1990); Fejer, E. E. (1986). Thirty-fourth list of new mineral names. Mineralogical Magazine, 50, 741-61.
    • 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]
  • Western-Siberian Region
    • Polar Urals
      • Tyumenskaya Oblast'
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
Jan Pašava, Ilja Knésl, Anna Vymazalová, Ivan Vavřín, Ludmila Ivanovna Gurskaya, Leonid Ruslanovich Kolbantsev (2011) Geochemistry and mineralogy of platinum-group elements (PGE) in chromites from Centralnoye I, Polar Urals, Russia. Geoscience Frontiers 2:81-85
South Africa
 
  • Limpopo Province
    • Bushveld Complex
      • Burgersfort
        • Sekhukhuneland
Melcher, F., & Lodziak, J. (2007). Platinum-group minerals of concentrates from the Driekop platinum pipe, Eastern Bushveld Complex Tribute to Eugen F. Stumpfl. Neues Jahrbuch für Mineralogie-Abhandlungen: Journal of Mineralogy and Geochemistry, 183(2), 173-195.
The Canadian Mineralogist Vol. 43, pp. 1711-1734 (2005)
  • Mpumalanga Province
    • Eastern Bushveld Complex
      • Lydenburg
Zaccarini, F., Garuti, G., & Cawthorn, R. G. (2002). Platinum-group minerals in chromitite xenoliths from the Onverwacht and Tweefontein ultramafic pipes, eastern Bushveld Complex, South Africa. The Canadian Mineralogist, 40(2), 481-497.
USA
 
  • Alaska
    • Bethel Borough
www.cannonmicroprobe.com/Mineral_Specimens.htm
Mineral and/or Locality  
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