Cherepanovite (original) (raw)

A valid IMA mineral species

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07481460014946659156070.jpg

06072920015116889788847.jpg

07481460014946659156070.jpg

06072920015116889788847.jpg

About CherepanoviteHide

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Specific Gravity:

9.72 (Calculated)

Crystal System:

Orthorhombic

Name:

For Vladimir Aleksandrovich Cherepanov (1927-1983) Russian geologist and mineralogist, Karpinskii All-Union Research Institute of Geology, St. Petersburg, Russia.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:990:0

d6dc8307-2311-46ad-b778-2a2e64079dde

IMA Classification of CherepanoviteHide

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Type description reference:

Rudashevsky, N.S., Motshalov, A.G., Trubkin, N.V., Shumskaya, N.M., Shkursky, V.I., Evstigneeva, T.L. (1985) Cherepanovite RhAs - A new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 114(4): 464-469.

Classification of CherepanoviteHide

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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

Mineral SymbolsHide

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

Symbol Source Reference
Cpv 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 CherepanoviteHide

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Hardness:

VHN50=726 - 754 kg/mm2 - Vickers

Cleavage:

Distinct/Good
One distinct direction

Density:

9.72 g/cm3 (Calculated)

Optical Data of CherepanoviteHide

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Anisotropism:

Green to gray-brown

Reflectivity:

Wavelength R1 R2
420nm 39.2% 40.5%
440nm 39.6% 41.0%
460nm 40.3% 41.9%
480nm 41.0% 42.9%
500nm 41.9% 43.8%
520nm 42.7% 44.7%
540nm 43.6% 45.5%
560nm 44.1% 46.1%
580nm 44.5% 46.6%
600nm 44.9% 47.1%
620nm 45.1% 47.3%
640nm 45.2% 47.4%
660nm 45.3% 47.6%
680nm 45.5% 47.6%
700nm 45.4% 47.6%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 47.6%.
R1 shown in black, R2 shown in red

Colour in reflected light:

White with an orange tint

Comments:

In yellow to pinkish hue and bluish white.

Chemistry of CherepanoviteHide

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Common Impurities:

Ru,Pt,Ni

Crystallography of CherepanoviteHide

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Crystal System:

Orthorhombic

Class (H-M):

m m m _(_2/_m_2/_m_2/m ) - Dipyramidal

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 V:

122.78 ų (Calculated from Unit Cell)

Morphology:

Grains to 20 microns.

Crystal StructureHide

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ID Species Reference Link Year Locality Pressure (GPa) Temp (K)
0020514 Cherepanovite Heyding R D, Calvert L D (1961) Arsenides of the transition metals IV. A note on the platinum metal arsenides Canadian Journal of Chemistry 39 955-957 1961 Synthetic 0 293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
3.01 Å (10)
2.10 Å (6)
1.771 Å (2)
1.501 Å (2)
1.354 Å (2)

Geological EnvironmentHide

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Type Occurrence of CherepanoviteHide

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General Appearance of Type Material:

Individual grains (up to 20 microns) or their aggregates (up to 100 microns) included in ferronickelplatinum or among aggregates of cooperite.

Place of Conservation of Type Material:

Mining Institute, St. Petersburg, Russia, 2103/1.

Geological Setting of Type Material:

Placer platinum deposit derived from ultramafic massif in ophiolite belt.

Associated Minerals at Type Locality:

Reference:

Rudashevsky, N.S., Motshalov, A.G., Trubkin, N.V., Shumskaya, N.M., Shkursky, V.I., Evstigneeva, T.L. (1985) Cherepanovite RhAs - A new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 114(4): 464-469.

Synonyms of CherepanoviteHide

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Other Language Names for CherepanoviteHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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2.CC. Tilkerodeite Pd2HgSe3 Trig. 3_m_ _(_32/m ) : _P_3_m_1
2.CC. UM2007-26-S:CuFeIrNiPtRh (Ir,Cu,Ni,Pt,Rh,Fe)9S11
2.CC. Crowningshieldite (Ni0.9Fe0.1)S Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC. Eliopoulosite V7S8 Trig. 32 : _P_3221
2.CC. Kuvaevite Ir5Ni10S16 Trig. 3_m_ _(_32/m ) : R_3_m
2.CC. Torryweiserite Rh5Ni10S16 Trig. 3_m_ _(_32/m ) : R_3_m
2.CC. Tamuraite Ir5Fe10S16 Trig. 3_m_ _(_32/m ) : R_3_m
2.CC. Ferrotorryweiserite Rh5Fe10S16 Trig. 3_m_ _(_32/m ) : R_3_m
2.CC.05 Achávalite FeSe Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.05 Breithauptite NiSb Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.05 Freboldite CoSe Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.05 Kotulskite Pd(Te,Bi)2-x (x ≈ 0.4) Hex.
2.CC.05 Langisite CoAs Hex. 6 : _P_63
2.CC.05 Nickeline NiAs Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m c m
2.CC.05 Sederholmite beta-NiSe Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.05 Sobolevskite PdBi Hex.
2.CC.05 Stumpflite PtSb Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.05 Sudburyite PdSb Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.05 Jaipurite CoS Hex.
2.CC.05 Zlatogorite NiCuSb2 Trig. 3_m_ _(_32/m ) : P_31_m
2.CC.10 Pyrrhotite Fe1-xS Mon.
2.CC.10 Smythite (Fe,Ni)3+xS4 (x=0-0.3) Trig. 3_m_ _(_32/m ) : R_3_m
2.CC.10 Troilite FeS Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.15 Modderite (Co,Fe)As Orth. m m m _(_2/_m_2/_m_2/m )
2.CC.15 Ruthenarsenite (Ru,Ni)As Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
2.CC.15 Westerveldite (Fe,Ni,Co)As Orth. m m m _(_2/_m_2/_m_2/m )
2.CC.15 Minakawaite RhSb Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
2.CC.20 Millerite NiS Trig. 3_m_ : R_3_m
2.CC.20 Mäkinenite γ-NiSe Trig. 3_m_
2.CC.20 UM1990-38-S:CuFeIrNiPtRh (Ni,Fe,Rh,Cu,Ir,Pt)S
2.CC.25 Mackinawite FeS Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _P_4/n m m
2.CC.30 Hexatestibiopanickelite (Pd,Ni)(Sb,Te) ? Hex.
2.CC.30 Vavřínite Ni2SbTe2 Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.35a Braggite PdPt3S4 Tet. 4/m : _P_42/m
2.CC.35b Cooperite PtS Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _P_42/m m c
2.CC.35a Vysotskite PdS Tet. 4/m : _P_42/m
2.CC.45 Jacutingaite Pt2HgSe3 Trig. 3_m_ _(_32/m ) : _P_3_m_1
2.CC.50 Imgreite NiTe (?) Hex.

Other InformationHide

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Health Risks:

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

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References for CherepanoviteHide

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Reference List:

Rudashevsky, N.S., Motshalov, A.G., Trubkin, N.V., Shumskaya, N.M., Shkursky, V.I., Evstigneeva, T.L. (1985) Cherepanovite RhAs - A new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 114(4): 464-469.

Hawthorne, F.C., Bladh, K.W., Burke, E.A.J., Ercit, S., Grew, E.S., Grice, J.D., Puziewicz, J., Roberts, A.C., Schedler, R.A., Shigley, J.E. (1986) New mineral names. American Mineralogist: 71: 1544.

Localities for CherepanoviteHide

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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.

Locality ListHide

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- 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.

Brazil
Pará Curionópolis ⓘ Lago Grande Complex Teixeira (2014)
Canada
Ontario Thunder Bay District Coldwell complex ⓘ Marathon deposit Mcdonald et al. (2015)
Québec Côte-Nord Sept-Rivières RCM ⓘ Montagnais Sill Complex Smith (2021)
India
Karnataka Davanagere District Shimoga schist belt ⓘ Hanumalapur Complex Devaraju et al. (2005)
Japan
Hokkaidō Prefecture Rumoi Subprefecture Tomamae District Haboro ⓘ Ainusawa River NISHIO–HAMANE et al. (2022)
ⓘ Moshosanbetsu River NISHIO–HAMANE et al. (2022)
Shosanbetsu ⓘ Minamichiyoda NISHIO–HAMANE et al. (2022)
Tomamae ⓘ Tomamae coast NISHIO–HAMANE et al. (2022)
Sorachi Subprefecture Numata ⓘ Numatapongawa NISHIO–HAMANE et al. (2022)
Kumamoto Prefecture Shimomashiki District Misato ⓘ Haraigawa NISHIO–HAMANE et al. (2019)
New Zealand
ⓘ South Island Railton et al. (1990)
Tasman Region St. Arnaud ⓘ Maud Creek Railton et al. (1990)
Russia
Buryatia Okinsky District Ulan-Sar’dag Ophiolite ⓘ Kitoy River placers Airiyants et al. (2021)
Chelyabinsk Oblast ⓘ Miass River Britvin et al. (1998) +1 other reference
Chukotka Autonomous Okrug Pekul'ney Range (Pekul'nei Range) Northern Pekul'ney River (Northern Pekul'nei River; Northern Pekul'neyveem River) ⓘ Placer deposit (TL) Rudashevskiy et al. (1985) +1 other reference
Kemerovo Oblast ⓘ Koura River Zhmodik et al. (2016)
ⓘ Koriak-Kamchatka fold zone ZVMO 114 (1985) +1 other reference
ⓘ Krasnoyarsk Krai ? ...
Lysanskiy dunite-peridotite-gabbro complex ⓘ Sisim Placer Zone Barkov et al. (2018)
Primorsky Krai Khanka lake ⓘ Zolotaya river placers Shcheka G.G. et al. (2004)
Yamalo-Nenets Autonomous Okrug ⓘ Centralnoye II deposit Jan Pašava et al. (2011)
ⓘ Rai-Iz Ophiolite Massif Kojonen et al. (2003, April) +2 other references
South Africa
Limpopo Sekhukhune District Municipality Fetakgomo Tubatse Local Municipality Burgersfort ⓘ Maandagshoek farm Melcher et al. (2005)
Sekhukhuneland ⓘ Driekop mine Melcher et al. (2007)
Steelpoort ⓘ Onverwacht Mine Zaccarini et al. (2002) +1 other reference
USA
Alaska Bethel Census Area ⓘ Goodnews Bay ...