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Borishanskiite

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Formula:
Pd1+x(As,Pb)2 , x = 0-0.2
Colour:
Dark steel-grey
Lustre:
Metallic
Hardness:
4
Specific Gravity:
10.2 (Calculated)
Crystal System:
Orthorhombic
Name:
Named in honor of Serafima Samoilovna Borishanski, Soviet geologist.
This page provides mineralogical data about Borishanskiite.


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Classification of BorishanskiiteHide

Approved
2.AC.45c

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
A : Alloys
C : Alloys of metalloids with PGE
2.12.16.1

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2

Pronounciation of BorishanskiiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of BorishanskiiteHide

Metallic
Transparency:
Opaque
Colour:
Dark steel-grey
Hardness:
Hardness:
VHN20=241 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Distinct/Good
Three directions observed
Density:
10.2 g/cm3 (Calculated)

Optical Data of BorishanskiiteHide

Type:
Anisotropic
Anisotropism:
Barely noticeable to moderate in yellowish gray tones.
Colour in reflected light:
Gray-white

Chemical Properties of BorishanskiiteHide

Formula:
Pd1+x(As,Pb)2 , x = 0-0.2
IMA Formula:
Pd1+x(As,Pb)2 (x = 0.0-0.2)
Common Impurities:
Ag

Crystallography of BorishanskiiteHide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Cell Parameters:
a = 7.18(2) Å, b = 8.62(2) Å, c = 10.66(2) Å
Ratio:
a:b:c = 0.833 : 1 : 1.237
Unit Cell V:
659.76 ų (Calculated from Unit Cell)
Z:
16
Morphology:
Grains to 150 microns

Type Occurrence of BorishanskiiteHide

Synonyms of BorishanskiiteHide

Other Language Names for BorishanskiiteHide

Related Minerals - Nickel-Strunz GroupingHide

2.AC.05aAtheneitePd2As0.75Hg0.25Hex. 6 m2 : P62m
2.AC.05bVincentitePd3AsTet.
2.AC.10cArsenopalladinitePd8(As,Sb)3Tric. 1 : P1
2.AC.10bMertieite-IIPd8Sb2.5As0.5Trig. 3m (3 2/m) : R3c
2.AC.10aStillwateritePd8As3Trig.
2.AC.15aIsomertieitePd11Sb2As2Iso. m3m (4/m 3 2/m) : Fd3m
2.AC.15bMertieite-IPd11(Sb,As)4Hex.
2.AC.15aMiessiitePd11Te2Se2Iso. m3m (4/m 3 2/m) : Fd3m
2.AC.20bPalarstanidePd5(Sn,As)2Hex.
2.AC.20aStibiopalladinitePd5Sb2Hex.
2.AC.20cMenshikovitePd3Ni2As3Hex. 6/m : P63/m
2.AC.25eMajakitePdNiAsHex.
2.AC.25aPalladoarsenidePd2AsMon. 2/m : P2/m
2.AC.25fPalladobismutharsenidePd2(As,Bi)Orth.
2.AC.25cPalladodymite(Pd,Rh)2AsOrth.
2.AC.25bRhodarsenide(Rh,Pd)2AsOrth.
2.AC.25dNaldrettitePd2SbOrth. mm2 : Cmc21
2.AC.30UM1999-02-As:NiRh(Rh,Ni)7As4
2.AC.30PolkanoviteRh12As7Hex.
2.AC.35aGenkinite(Pt,Pd,Rh)4Sb3Tet. 4 2 2
2.AC.35bUngavaitePd4Sb3Tet. 4 2 2 : P41 21 2
2.AC.40PolaritePd(Bi,Pb)Orth. mm2 : Cmc21
2.AC.45aFrooditeα-PdBi2Mon. 2/m : B2/m
2.AC.45bIridarsenite(Ir,Ru)As2Mon.

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.

References for BorishanskiiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1976): 61: 502.

Internet Links for BorishanskiiteHide

Localities for BorishanskiiteHide

ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia (TL)
 
  • Krasnoyarsk Krai
    • Taymyrskiy Autonomous Okrug
      • Taimyr Peninsula
        • Putoran Plateau
          • Noril'sk
            • Talnakh Cu-Ni Deposit
ZVMO 104 (1975), 57; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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