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Urvantsevite

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Urvantsevit
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Urvantsevit (SNr: Erz-Urva-2-1-11)

Erzschliff mit Urvantsevit und Sobolevskit, Insizwait, Silber, Altait, Mooihoekit, Cubanit, Pentlandit etc. aus der Oktjabrsky Lagerstätte, Norilsk, Russland. Analyse von N. Rudashevsky, Sankt Pete...

Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2020-02-01
Locality: Oktyabr'skoye Mine (Oktyabr'sky, Oktyabr'skoe) / Talnakh / Noril'sk / Putoran-Plateau / Taimyrhalbinsel (Tajmyr) / Krasnojarsk, Region (Krasnojarski krai) / Sibirien, Föderationskreis / Russland

Collectors Summary

Color stahlgrau
Lustre Metallglanz
Hardness (Mohs) 2.5
Cleavages vollkommen in eine Richtung
Solubility ++ HNO3 1:1
Crystal System tetragonal, I4/mmm

Chemism

Chem­ical formula

Pd(Bi,Pb)2

Empir­ical formula (anal­y­sis)

Pd1.00(Bi1.61Pb0.38)

Chem­ical com­po­si­tion

Bismut, Blei, Palladium

Unit weight: 521.61921502 u; Number of atoms in the formula: 2.99

Info

Empirical formula:

Pd1.00(Bi1.61Pb0.38)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Palladium

Pd

20.40

1

33.44

106.4210000

106.4210000

Lead

Pb

15.10

0.38

12.71

207.2100000

78.7398000

Bismuth

Bi

64.50

1.61

53.85

208.9803820

336.4584150

Anal­y­sis wt%

Ø Pd : 20.50, Bi : 64.60, Pb : 15.30, PLT : 20.50 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 76)

Strunz 9th edi­tion incl. updates

2.EB.30

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
E: Metallsulfide mit M:S >= 1:2
B: M:S = 1:2, mit Fe, Co, Ni, PGE, usw.
30:Urvantsevit-Gruppe

Lapis Clas­sifica­tion

II/D.21-020

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

Clas­sifica­tion by Hölzel

2.EA.400

2: SULFIDES
E: Me/S=1/2 (also < 1/2)
A: Me/S=1/2 with Cu,Ag,Au, etc.
4: Unclassified

Dana 8th edi­tion

02.12.15.02

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

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

stahlgrau

Change in color

grauweiß in reflektiertem Licht

Diaphane­ity (Trans­parency)

opak

Lus­tre

Metallglanz

Pleochro­ism

schwach bis keiner

Anisotropism

gering

Reflec­tiv­ity: (Lambda nm) ↓, ↑, Ø

(440) 48.7, 50.5, 49.60
(460) 53.2, 54.9, 54.05
(480) 54.6, 53.8, 54.20
(500) 54.1, 53.3, 53.70
(520) 54.8, 53.7, 54.25
(540) 55.2, 54.0, 54.60
(560) 56.2, 54.9, 55.55
(580) 56.7, 55.2, 55.95
(600) 57.0, 56.1, 56.55
(620) 58.3, 56.8, 57.55
(640) 59.2, 57.8, 58.50
(660) 60.1, 58.6, 59.35
(680) 60.9, 59.6, 60.25
(700) 61.3, 59.6, 60.45

Reflection chart Urvantsevite

Reflec­tiv­ity Ø

56.4

Crystallography

Crystal Sys­tem

tetragonal

Class (H-M)

4/mmm

Space Group number

139

Space Group

I4/mmm

Cell param­e­ters a (Å)

3.362

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

12.983

Cell param­e­ters a/b or c/a

3.862

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

146.747

X-Ray Pow­der Diffrac­tion

2.643(100),
2.372(80),
2.043(50),
1.685(50),
1.420(70),
1.335(50),
1.166(60),
1.111(70)

XRD chart Urvantsevite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2.5

VHN (Hard­ness Vick­ers)

38 (30g) 47 - 68 (10g)

Density (g/cm³)

11.87 (berechnet)

11.804 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen in eine Richtung

Insta­bil­ity

++ HNO3 1:1

(Co-)Type locality

(Co-)Type locality

Russland/Sibirien, Föderationskreis/Krasnojarsk, Region (Krasnojarski krai)/Taimyrhalbinsel (Tajmyr)/Putoran-Plateau/Noril'sk/Talnakh/Mayak (Majak)

Type mate­r­ial

Mining Institute, St. Petersburg, Russland

Col­lec­tion number of type mate­r­ial

1176/1

Preface

Name from

Nikolai Nikolaevich Urvantsev (1893–1985), aus St. Petersburg, Russland, einer der erforscher der Noril’sk Lagerstätte

Author (Name, Year)

Rudashevsky & Makarov & Medvedeva & Ballakh & Permyakov & Mitenkov & K

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 105 (1976), 704

Soviet Journal of Experimental and Theoretical Physics 5 (1957), 1064

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Urvantsevite

Pd(Bi,Pb)2

tetragonal : 4/mmm : I4/mmm

2.EB.30

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Borishanskiite

Pd(As,Pb)2

orthorhombisch : mm2 : Ccm21

II/D.21-005

Froodite

PdBi2

monoklin : 2/m : C2/m

II/D.21-010

Urvantsevite

Pd(Bi,Pb)2

tetragonal : 4/mmm : I4/mmm

II/D.21-020

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Urvantsevite

Pd(Bi,Pb)2

tetragonal : 4/mmm : I4/mmm

2.EA.400

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Krennerite

Au3AgTe8

orthorhombisch : mm2 : Pma2

02.12.13.01

Calaverite

AuTe2

monoklin : 2/m : C2/m

02.12.13.02

Sylvanite

AgAuTe4

monoklin : 2/m : P2/c

02.12.13.03

Kostovite

CuAuTe4

orthorhombisch : mm2 : Pma2

02.12.13.04

Melonite

NiTe2

trigonal : 3m : P3m1

02.12.14.01

Kitkaite

NiTeSe

trigonal : 3m : P3m1

02.12.14.02

Moncheite

(Pt,Pd)(Te,Bi)2

trigonal : 3m : P3m1

02.12.14.03

Merenskyite

PdTe2

trigonal : 3m : P3m1

02.12.14.04

Shuangfengite

IrTe2

trigonal : 3m : P3m1

02.12.14.06

Sudovikovite

PtSe2

trigonal : 3m : P3m1

02.12.14.07

Froodite

PdBi2

monoklin : 2/m : C2/m

02.12.15.01

Urvantsevite

Pd(Bi,Pb)2

tetragonal : 4/mmm : I4/mmm

02.12.15.02

Verbeekite

PdSe2

monoklin : 2/m, 2, m : C2/m, C2, Cm

02.12.15.03

Borishanskiite

Pd(As,Pb)2

orthorhombisch : mm2 : Ccm21

02.12.16.01

Skutterudite

CoAs3

kubisch : m3 : Im3

02.12.17.01

Nickelskutterudite

(Ni,Co,Fe)As3

kubisch : m3 : Im3

02.12.17.02

Kieftite

CoSb3

kubisch : m3 : Im3

02.12.17.03

Rheniite

ReS2

triklin : 1 : P1

02.12.18.01

CNMNC (IMA)-Number

IMA 1976-025

CNMNC symbol

Symbol

Urv

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