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Watkinsonite

Pictures (6 Images total)

Watkinsonit
Views (Image: 1477864255): 520
Watkinsonit

Bildbreite ca. 3mm, El Dragon Mine, Bolivien

Copyright: Stefan
Contribution: Stefan 2016-10-30
Locality: El Dragón Mine / Antonio Quijarro, Provinz / Potosi, Departamento / Bolivien
Watkinsonite, Clausthalite, Uraninite
Views (Image: 1477773015): 435
Watkinsonite, Clausthalite, Uraninite

Watkinsonite grain of steel gray colour with a thin clausthalite rim of a bluish grey colour. Small uraninites balls forms inclusions in selenides. Field of view 7 mm; Locality: Zálesí, Javorník, O...

Copyright: Pavel Škácha, Czechmin
Contribution: Stefan 2016-10-29
Locality: Waldek (Zalesi) / Jauernig (Javornik) / Freiwaldau (Jesenik), Bezirk / Olmütz, Region (Olomoucky Kraj) / Tschechien
Watkinsonite, Chalcopyrite
Views (Image: 1477773164): 369
Watkinsonite, Chalcopyrite

Silver-gray, massive watkinsonite with chalcopyrite. Associated minerals, not in the photograph, include, calcite, clausthalite and uraninite. FOV 5mm. Brent Thorne specimen and photograph; Localit...

Copyright: Brent Thorne
Contribution: Stefan 2016-10-29
Locality: Waldek (Zalesi) / Jauernig (Javornik) / Freiwaldau (Jesenik), Bezirk / Olmütz, Region (Olomoucky Kraj) / Tschechien
Watkinsonit u. Clausthalit
Views (Image: 1596468087): 143
Watkinsonit u. Clausthalit

Schacht 371 Hartenstein; Bildbreite 2,3 mm

Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2020-08-03
Locality: Schacht 371 / Schlema-Alberoda-Hartenstein / Erzgebirgskreis / Sachsen / Deutschland
Watkinsonit u. Clausthalit
Views (Image: 1596468165): 146
Watkinsonit u. Clausthalit

Schacht 371 Hartenstein; Bildbreite 2,3 mm

Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2020-08-03
Locality: Schacht 371 / Schlema-Alberoda-Hartenstein / Erzgebirgskreis / Sachsen / Deutschland
Watkinsonit u. Clausthalit
Views (Image: 1596468252): 128
Watkinsonit u. Clausthalit

Schacht 371 Hartenstein; Bildbreite 2,3 mm

Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2020-08-03
Locality: Schacht 371 / Schlema-Alberoda-Hartenstein / Erzgebirgskreis / Sachsen / Deutschland

Collectors Summary

Color weiß mit einem bläulichen Farbton
Hardness (Mohs) 3.5
Solubility +++ HNO3
Crystal System monoklin, P21/m für das schwefelfreie Endglied
P2, Pm, P2/m

Chemism

Chem­ical formula

PbCu2Bi4(Se,S)8

Chem­ical com­po­si­tion

Bismut, Blei, Kupfer, Selen, Schwefel

Unit weight: 1708.133128 u; Number of atoms in the formula: 15

Info

Empirical formula:

PbCu2Bi4(Se0.75S0.25)8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

3.75

2

13.33

32.0655000

64.1310000

Copper

Cu

7.44

2

13.33

63.5463000

127.0926000

Selenium

Se

27.74

6

40.00

78.9630000

473.7780000

Lead

Pb

12.13

1

6.67

207.2100000

207.2100000

Bismuth

Bi

48.94

4

26.67

208.9803820

835.9215280

Anal­y­sis wt%

Cu : 9.04, Pb : 15.83, Bi : 43.90, Se : 27.98, S : 3.24, Te : 0.46 (Ref: Canadian Mineralogist 87)

Strunz 9th edi­tion incl. updates

2.HB.20

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
H: Sulfosalze mit SnS als Vorbild
B: Mit Cu, Ag, Fe, Sn und Pb
20:Nagyágit-Gruppe

Lapis Clas­sifica­tion

II/E.34-090

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
E: Sulfosalze (S : As,Sb,Bi = x)
34: Blei-Sulfosalze mit Wismut (x= 6,0 - 1,6); Galenobismutit-Reihe

Clas­sifica­tion by Hölzel

2.HA.300

2: SULFIDES
H: PbS Archetype
A: With Cu,Ag,Pb
3: Junoite-Proudite Series

Dana 8th edi­tion

03.07.18.01

03: Sulfides - Sulfosalts
07: Sulfides - Sulfosalts where z/y = 2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

weiß mit einem bläulichen Farbton

Diaphane­ity (Trans­parency)

opak

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2, m, 2/m

Space Group number

11 für das schwefelfreie Endglied
3, 6, 10

Space Group

P21/m für das schwefelfreie Endglied
P2, Pm, P2/m

Cell param­e­ters a (Å)

12.952

Cell param­e­ters b (Å)

4.152

Cell param­e­ters c (Å)

15.155

Cell param­e­ters a/b or c/a

3.119

Cell param­e­ters c/b

3.650

Cell param­e­ters α

90°

Cell param­e­ters β

108.93

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

770.908

Kristall struc­ture

aufgeklärt, siehe Dan Topa, Emil Makovicky, Jirí Sejkora, Herbert Dittrich: The crystal structure of watkinsonite, Cu2PbBi4Se8, from the Zálesí uranium deposit, Czech Republic. Can. Mineral. 48 (2010) S.1109-1118. Strukturell große Ähnlichkeit mit Berryit.

X-Ray Pow­der Diffrac­tion

3.573(90),
2.976(100),
2.929(100),
2.407(70),
2.245(60),
2.140(70),
2.065(70),
1.484(70)

XRD chart Watkinsonite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3.5

VHN (Hard­ness Vick­ers)

166 (25g)

Density (g/cm³)

7.82 (berechnet)

7.358 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HNO3

Preface

Author (Name, Year)

Johan & Picot & Ruhlmann, 1987

References

Canadian Mineralogist 25 (1987), 625

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

Museumite

Pb5AuSbTe2S12

monoklin : 2/m, 2 : P21/m, P21

2.HB.20

Nagyágite

Pb(Pb,Sb)S2(Te,Au)

monoklin : 2/m : P21/m

2.HB.20

Buckhornite

(Pb2BiS3)(AuTe2)

orthorhombisch : mmm : Pmmn

2.HB.20

Watkinsonite

PbCu2Bi4(Se,S)8

monoklin : 2, m, 2/m : P21/m für das schwefelfreie Endglied
P2, Pm, P2/m

2.HB.20

Jaszczakite

[Bi3S3][AuS2]

orthorhombisch : mmm : Pmmn

2.HB.20b

Litochlebite

Ag2PbBi4Se8

monoklin : 2/m : P21/m

2.HB.20e

Luxembourgite

AgCuPbBi4Se8

monoklin : 2/m : P21/m

2.HB.20e

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

Galenobismutite

PbBi2S4

orthorhombisch : mmm : Pnam

II/E.34-005

Mozgovaite

PbBi4S7

orthorhombisch : mmm : Bbmm

II/E.34-008

Cosalite

Pb2Bi2S5

orthorhombisch : mmm : Pbnm

II/E.34-010

Proudite

Cu2Pb16Bi20(S,Se)47

monoklin : 2/m : C2/m

II/E.34-020

Felbertalite

(Pb,Ag)6Cu2Bi8S19

monoklin : 2/m : C2/m

II/E.34-025

Weibullite

(Pb,Ag)6Bi8(S,Se)18

orthorhombisch : mmm : Pnma

II/E.34-030

Cannizzarite

Pb48Bi56(S124Se8)

monoklin : 2/m : P21/m

II/E.34-060

'Wittite'

Pb8Bi10(S,Se)23

monoklin : 2/m : P2/m

II/E.34-065

Nordströmite

Pb3CuBi7(S10Se4)

monoklin : 2/m : P21/m

II/E.34-070

Junoite

Pb3Cu2Bi8(S,Se)16

monoklin : 2/m : C2/m

II/E.34-080

Watkinsonite

PbCu2Bi4(Se,S)8

monoklin : 2, m, 2/m : P21/m für das schwefelfreie Endglied
P2, Pm, P2/m

II/E.34-090

Litochlebite

Ag2PbBi4Se8

monoklin : 2/m : P21/m

II/E.34-095

Paderaite

AgPb2Cu6Bi11S22

monoklin : 2/m : P21/m

II/E.34-100

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

Watkinsonite

PbCu2Bi4(Se,S)8

monoklin : 2, m, 2/m : P21/m für das schwefelfreie Endglied
P2, Pm, P2/m

2.HA.300

Litochlebite

Ag2PbBi4Se8

monoklin : 2/m : P21/m

2.HA.305

Berryite

Cu3Ag2Pb3Bi7S16

monoklin : 2/m : P21/m

2.HA.310

Junoite

Pb3Cu2Bi8(S,Se)16

monoklin : 2/m : C2/m

2.HA.330

Nordströmite

Pb3CuBi7(S10Se4)

monoklin : 2/m : P21/m

2.HA.340

Proudite

Cu2Pb16Bi20(S,Se)47

monoklin : 2/m : C2/m

2.HA.360

Felbertalite

(Pb,Ag)6Cu2Bi8S19

monoklin : 2/m : C2/m

2.HA.370

Makovickyite

(Ag,Cu)1.5(Bi,Pb)5.5S9

monoklin : 2/m : C2/m

2.HA.380

Cupromakovickyite

Cu4AgPb2Bi9S18

monoklin : 2/m : C2/m

2.HA.385

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

Simonite

TlHgAs3S6

monoklin : 2/m : P21/n

03.07.10.01

Edenharterite

TlPbAs2(As,Sb)S6

orthorhombisch : mm2 : Fdd2

03.07.10.02

Jentschite

TlPbAs2(Sb,As)S6

monoklin : 2/m : P21/n

03.07.10.03

Sicherite

TlAg2(As,Sb)3S6

orthorhombisch : mmm : Pmnb

03.07.10.04

Livingstonite

HgSb4S8

monoklin : 2/m : A2/a

03.07.11.01

Grumiplucite

HgBi2S4

monoklin : 2/m : C2/m

03.07.11.02

Rathite

Ag2Pb12-xTlx/2As18+x/2S40

monoklin : 2/m : P21/c

03.07.12.01

Nordströmite

Pb3CuBi7(S10Se4)

monoklin : 2/m : P21/m

03.07.13.01

Junoite

Pb3Cu2Bi8(S,Se)16

monoklin : 2/m : C2/m

03.07.14.01

Felbertalite

(Pb,Ag)6Cu2Bi8S19

monoklin : 2/m : C2/m

03.07.14.02

Vrbaite

Tl4Hg3Sb2As8S20

orthorhombisch : mm2 : Cc2a

03.07.15.01

Rohaite

TlCu5SbS2

03.07.16.01

Dervillite

Ag2AsS2

monoklin : 2/m : P2/a

03.07.17.01

Watkinsonite

PbCu2Bi4(Se,S)8

monoklin : 2, m, 2/m : P21/m für das schwefelfreie Endglied
P2, Pm, P2/m

03.07.18.01

Schapbachite

AgBiS2

kubisch : m3m : Fm3m

03.07.19.01

Other languages

German

Watkinsonit

Spanish

Watkinsonita

French

Watkinsonite

English

Watkinsonite

Russian

Уаткинсонит

Japanese

ワトキンソナイト

IMA Number

IMA 1985-024

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Watkinsonit
Google-Bilder-Suche - search for: Watkinsonit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Watkinsonit

English pages

Mindat - search for: Watkinsonite
Webmineral - search for:Watkinsonite
Handbook-of-Mineralogy - search for: Watkinsonite
RRUFF - Raman, XRD and other mineral data - search for: Watkinsonite
RRUFF - References and PDF downloads - search for: Watkinsonite
American-Mineralogist-Crystal-Structure-Database - search for: Watkinsonite
Athena - search for: Watkinsonite

Russian pages

Webmineral.ru - search for: Уаткинсонит

Mineral Dealer

German pages

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Locations with GPS information