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Borishanskiite

Collectors Summary

Color dunkel Stahlgrau
Hardness (Mohs) 4
Solubility +++ konz. HNO3
Crystal System orthorhombisch, Ccm21

Chemism

Chemical formula

Pd(As,Pb)2

Empirical formula (analysis)

Pd1.1As1.5Pb0.5

Chemical composition

Arsen, Blei, Palladium

Unit weight: 333.050503 u; Number of atoms in the formula: 3.1

Info

Empirical formula:

Pd1.1As1.5Pb0.5

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Arsenic

As

33.74

1.5

48.39

74.9216020

112.3824030

Palladium

Pd

35.15

1.1

35.48

106.4210000

117.0631000

Lead

Pb

31.11

0.5

16.13

207.2100000

103.6050000

Analysis wt%

Ø Pd : 30.60, Ag : 0.60, Pb : 50.30, As : 20.60, PLT : 30.60 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 75)

Strunz 9th edition incl. updates

2.AC.50

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
A: Legierungen und legierungsartige Verbindungen
C: Verbindungen von Halbmetallen mit Platin-Gruppen-Elementen (PGE)
50:Iridarsenit-Gruppe

Lapis Classification

II/D.21-005

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
D: Sulfide mit Metall : S,Se,Te < 1:1

Classification by Hölzel

2.AC.400

2: SULFIDES
A: Alloys of Cu,Ag,Au,Ni,Pd with As,Sb,Bi,(Te)
C: With Pd
4: Genkinite Polarite-Group

Dana 8th edition

02.12.16.01

02: Sulfide Minerals
12: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:2

IMA status

anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

dunkel Stahlgrau

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mm2

Space Group number

36

Space Group

Ccm21

Cell parameters a (Å)

7.18

Cell parameters b (Å)

8.62

Cell parameters c (Å)

10.66

Cell parameters a/b or c/a

0.833

Cell parameters c/b

1.237

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

12

Volume (ų)

659.764

X-Ray Powder Diffraction

2.65(100),
2.50(60),
2.25(60),
2.16(90),
1.677(60),
1.633(50),
1.385(60),
1.169(60)

XRD chart Borishanskiite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Physical Properties

Hardness (Mohs)

4

VHN (Hardness Vickers)

242 (50g)

Density (g/cm³)

10.2 (berechnet)

10.058 ( ρ calc. Mineralienatlas )

Instability

+++ konz. HNO3

Preface

Author (Name, Year)

Razin & Dubakina & Meshchankina & Begizov, 1975

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 104 (1975), 57

Other languages

German

Borishanskiit

French

Borishanskiite

English

Borishanskiite

Spanish

Borishanskiíta

Russian

Боришанскиит

CNMNC (IMA)-Number

IMA 1974-010

CNMNC symbol

Symbol

Bhk

Locations with GPS information

IDs

GUSID (Global unique identifier short form) ByECaqEkpUKtVCCHqBR9tQ
GUID (Global unique identifier) 6A022107-24A1-42A5-AD54-2087A8147DB5
Database ID 453