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Petrukite

Collectors Summary

Color grau, braun
Streak color schwarz
Lustre Metallglanz
Hardness (Mohs) 4.75
Crystal System orthorhombisch, Pmn21

Chemism

Chem­ical formula

(Cu,Ag)2(Fe,Zn)(Sn,In)S4

Chem­ical com­po­si­tion

Eisen, Indium, Kupfer, Silber, Zink, Zinn, Schwefel

Unit weight: 453.48941 u; Number of atoms in the formula: 8

Info

Empirical formula:

(Cu0.75Ag0.25)2(Fe0.75Zn0.25)(Sn0.75In0.25)S4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

28.28

4

50.00

32.0655000

128.2620000

Iron

Fe

9.24

0.75

9.38

55.8452000

41.8839000

Copper

Cu

21.02

1.5

18.75

63.5463000

95.3194500

Zinc

Zn

3.61

0.25

3.13

65.4094000

16.3523500

Silver

Ag

11.89

0.5

6.25

107.8682200

53.9341100

Indium

In

6.33

0.25

3.13

114.8183000

28.7045750

Tin

Sn

19.63

0.75

9.38

118.7107000

89.0330250

Anal­y­sis wt%

Ø Cu : 27.40, Ag : 0.90, Fe : 12.40, Zn : 3.60, Sn : 24.80, In : 1.30, S : 29.90 (Ref: Canadian Mineralogist 89)

Strunz 9th edi­tion incl. updates

2.KA.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
K: Sulfoarsenate
A: Unterteilung 2.KA - 2.KB
05:Enargit-Gruppe

Lapis Clas­sifica­tion

II/C.06-140

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
C: Sulfide mit Metall : S,Se,Te ~ 1:1
6: Stannit-Gruppe

Clas­sifica­tion by Hölzel

2.CB.710

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
B: With Zn,Cu (etc), Coordination Number ~[4] Framework of Cornersharing Tetrahedra: Sphalerite-Germanite-Family
7: Enargite-Sulvanite-Group

Dana 8th edi­tion

02.09.18.01

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

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Stannite group

Optical Properties

Color

grau, braun

Streak color

schwarz

Diaphane­ity (Trans­parency)

opak

Lus­tre

Metallglanz

Pleochro­ism

sehr schwach

Reflec­tiv­ity Ø

27.96

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mm2

Space Group number

31

Space Group

Pmn21

Cell param­e­ters a (Å)

7.667

Cell param­e­ters b (Å)

6.440

Cell param­e­ters c (Å)

6.261

Cell param­e­ters a/b or c/a

1.191

Cell param­e­ters c/b

0.972

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

309.14

X-Ray Pow­der Diffrac­tion

3.13(100),
2.712(40),
1.915(60),
1.636(50),
1.243(50),
1.106(60),
1.044(30)

XRD chart Petrukite

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

4.75

VHN (Hard­ness Vick­ers)

319 (100g)

Density (g/cm³)

4.61

4.872 ( ρ calc. Mineralienatlas )

Preface

Name from

William Petruk (geboren 1930), kanadischer Mineraloge welcher die mögliche Existenz des Minerals bei seiner Studie der Mount Pleasant Erzlagerstätte bemerkte.

Author (Name, Year)

Kissin & Owens, 1989

References

Kissin, S.A. & Owens, D.R. - The relatives of stannite in the light of new data. - Canadian Mineralogist 27 (1989), 673

Petruk W. - Tin sulphides from the deposit of Brunswick Tin Mines, Limited. Canadian Mineralogist 12 (1973), 46-54

IMA group assignments

 
A2DEX4
 
 

 
 
Cu2(Zn,Fe)GeS4
tetragonal
I42m

 
 
Cu2CdSnS4
tetragonal
I42m

 
 
Cu3SbS4
tetragonal
I42m

 
 
Cu2FeSnS4
tetragonal
I4

 
 
Ag2FeSnS4
tetragonal
I42m

 
 
Cu2(Zn,Fe)SnS4
tetragonal
I4

 
 
Cu2AgAsS4
tetragonal
I42m

 
 
Cu3SnS4
tetragonal
I42m

 
 
Cu3AsS4
tetragonal
I42m

 
 
Cu8Fe2ZnGe2S12
orthorhombisch
I222

 
 
Cu3SbSe4
tetragonal
I42m

 
 
(Cu,Ag)2(Fe,Zn)(Sn,In)S4
orthorhombisch
Pmn21

 
 
Ag2ZnSnS4
tetragonal
I42m, I4

 
 
Zn2CuGaS4
tetragonal
I42m

 
 
Cu2FeSnS4
tetragonal
I42m

 
 
Cu8(Fe,Zn)3Sn2S12
orthorhombisch
I222


 
 
Cu2(Hg,Zn)SnS4
tetragonal
I4

 
 
Cu2(Zn,Fe)(Ge,Ga)S4
tetragonal
I42m

Refresh list

Actuality: 13. Sep 2021 - 06:41:02

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

Enargite

Cu3AsS4

orthorhombisch : mm2 : Pmn21

2.KA.05

Petrukite

(Cu,Ag)2(Fe,Zn)(Sn,In)S4

orthorhombisch : mm2 : Pmn21

2.KA.05

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

Luzonite

Cu3AsS4

tetragonal : 42m : I42m

II/C.06-010

Famatinite

Cu3SbS4

tetragonal : 42m : I42m

II/C.06-020

Permingeatite

Cu3SbSe4

tetragonal : 42m : I42m

II/C.06-030

Briartite

Cu2(Zn,Fe)GeS4

tetragonal : 42m : I42m

II/C.06-040

Barquillite

Cu2(Cd,Fe)GeS4

tetragonal : 42m : I42m

II/C.06-045

Kuramite

Cu3SnS4

tetragonal : 42m : I42m

II/C.06-050

Stannite

Cu2FeSnS4

tetragonal : 42m : I42m

II/C.06-060

Ferrokësterite

Cu2FeSnS4

tetragonal : 4 : I4

II/C.06-070

Kësterite

Cu2(Zn,Fe)SnS4

tetragonal : 4 : I4

II/C.06-080

Černýite

Cu2CdSnS4

tetragonal : 42m : I42m

II/C.06-090

Velikite

Cu2(Hg,Zn)SnS4

tetragonal : 4 : I4

II/C.06-100

Hocartite

Ag2FeSnS4

tetragonal : 42m : I42m

II/C.06-110

Pirquitasite

Ag2ZnSnS4

tetragonal : 42m, 4 : I42m, I4

II/C.06-120

Richardsite

Zn2CuGaS4

tetragonal : 42m : I42m

II/C.06-125

Sakuraiite

(Cu,Zn,Fe)3(In,Sn)S4

II/C.06-130

Petrukite

(Cu,Ag)2(Fe,Zn)(Sn,In)S4

orthorhombisch : mm2 : Pmn21

II/C.06-140

Rhodostannite

(Cu,Ag)2FeSn3S8

tetragonal : 4/m : I41/a

II/C.06-150

Toyohaite

Ag2FeSn3S8

tetragonal : 4/m : I41/a

II/C.06-160

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

Enargite

Cu3AsS4

orthorhombisch : mm2 : Pmn21

2.CB.700

Petrukite

(Cu,Ag)2(Fe,Zn)(Sn,In)S4

orthorhombisch : mm2 : Pmn21

2.CB.710

Sulvanite

Cu3VS4

kubisch : 43m : P43m

2.CB.750

'Lazarevicite'

Cu3AsS4

kubisch : 43m : P43m

2.CB.760

'Arsenosulvanite'

Cu12VAs3S16

kubisch : 43m : P43m

2.CB.760

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

Teallite

PbSnS2

orthorhombisch : mmm : Pbnm

02.09.10.01

Rasvumite

KFe2S3

orthorhombisch : mmm : Cmcm

02.09.11.01

Pautovite

CsFe2S3

orthorhombisch : mmm : Cmcm

02.09.11.02

Sternbergite

AgFe2S3

orthorhombisch : mmm : Ccmb

02.09.12.01

Picotpaulite

TlFe2S3

orthorhombisch : 222, mm2, mmm : C222, Cmm2, Amm2, Cmmm

02.09.12.02

Cubanite

CuFe2S3

orthorhombisch : mmm : Pcmn

02.09.13.01

Argentopyrite

AgFe2S3

orthorhombisch : mmm : Pmmn

02.09.13.02

Isocubanite

CuFe2S3

kubisch : 43m : P43m

02.09.13.03

Catamarcaite

Cu6GeWS8

hexagonal : 6mm : P63mc

02.09.14.02

Nukundamite

(Cu,Fe)4S4

trigonal : 3m : P3m1

02.09.15.01

Mohite

Cu2SnS3

monoklin : m : Cc

02.09.16.01

Caswellsilverite

NaCrS2

trigonal : 3m : R3m

02.09.17.01

Schöllhornite

Na0.3CrS2·H2O

02.09.17.02

Cronusite

Ca0.2CrS2·H2O

trigonal : 3m, 32, 3m : R3m, R32, R3m

02.09.17.03

Petrukite

(Cu,Ag)2(Fe,Zn)(Sn,In)S4

orthorhombisch : mm2 : Pmn21

02.09.18.01

Bartonite

K6Fe20S26S

tetragonal : 4/mmm : I4/mmm

02.09.19.01

Chlorbartonite

K6Fe24S26(Cl,S)

tetragonal : 4/mmm : I4/mmm

02.09.19.02

IMA Number

IMA 1985-052

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

German pages

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English pages

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