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Polhemusite

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Polhemusit
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Polhemusit

schwarzgraue Masse von Polhemusit neben rotem Realgar, Getchell Mine, Humboldt County, Nevada, USA; BB < 1 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-06-13
Locality: Getchell Mine / Golconda District / Humboldt Co. / Nevada / USA

Collectors Summary

Color grau, mit intensiven roten internen Reflektionen
Hardness (Mohs) 4.5
Solubility feuchte Atmosphäre!
Crystal System tetragonal,

Chemism

Chem­ical formula

(Zn,Hg)S

Chem­ical com­po­si­tion

Quecksilber, Zink, Schwefel

Unit weight: 131.27055 u; Number of atoms in the formula: 2

Info

Empirical formula:

(Zn0.75Hg0.25)S

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

24.43

1

50.00

32.0655000

32.0655000

Zinc

Zn

37.37

0.75

37.50

65.4094000

49.0570500

Mercury

Hg

38.20

0.25

12.50

200.5920000

50.1480000

Anal­y­sis wt%

Hg : 25.80, Zn : 49.10, Fe : 0.50, S : 26.70 (Ref: American Mineralogist 78)

Strunz 9th edi­tion incl. updates

2.CB.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
B: mit Zink (Zn), Eisen (Fe), Kupfer (Cu), Silber (Ag), usw.
05:Sphalerit-Gruppe

Lapis Clas­sifica­tion

II/C.01-070

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

Clas­sifica­tion by Hölzel

2.CB.450

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
4: Luzonite-Hemusite-Group

Dana 8th edi­tion

02.08.03.01

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

IMA sta­tus

anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

grau, mit intensiven roten internen Reflektionen

Crystallography

Crystal Sys­tem

tetragonal

Cell param­e­ters a (Å)

8.71

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

14.74

Cell param­e­ters a/b or c/a

1.692

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

24

Volumne (ų)

1118.237

X-Ray Pow­der Diffrac­tion

3.60(50),
3.13(70),
3.09(100),
1.888(90),
1.608(70),
1.222(50),
1.086(50),
1.024(50)

XRD chart Polhemusite

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

4.5

VHN (Hard­ness Vick­ers)

262 (25g)

Density (g/cm³)

4.93

4.678 ( ρ calc. Mineralienatlas )

Insta­bil­ity

feuchte Atmosphäre!

Preface

Author (Name, Year)

Leonard & Desborough & Mead, 1978

References

American Mineralogist (1978): 63: 1153-1161.

Strunz Mineralogical Tables 9. Edition (2001).

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

Hawleyite

CdS

kubisch : 43m : F43m

2.CB.05

Stilleite

ZnSe

kubisch : 43m : F43m

2.CB.05

Sakuraiite

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

2.CB.05

Sphalerite

(Zn,Fe)S

kubisch : 43m : F43m

2.CB.05

Tiemannite

HgSe

kubisch : 43m : F43m

2.CB.05

Coloradoite

HgTe

kubisch : 43m : F43m

2.CB.05

Polhemusite

(Zn,Hg)S

2.CB.05

Rudashevskyite

(Fe,Zn)S

kubisch : 43m : F43m

2.CB.05

Metacinnabar

HgS

kubisch : 43m : F43m

2.CB.05

Ishiharaite

(Cu,Ga,Fe,In,Zn)S

kubisch : 43m : F43m

2.CB.05a

Browneite

MnS

kubisch : 43m : F43m

2.CB.05a

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

Rudashevskyite

(Fe,Zn)S

kubisch : 43m : F43m

II/C.01-005

Sphalerite

(Zn,Fe)S

kubisch : 43m : F43m

II/C.01-010

Hawleyite

CdS

kubisch : 43m : F43m

II/C.01-020

Metacinnabar

HgS

kubisch : 43m : F43m

II/C.01-030

Stilleite

ZnSe

kubisch : 43m : F43m

II/C.01-040

Tiemannite

HgSe

kubisch : 43m : F43m

II/C.01-050

Coloradoite

HgTe

kubisch : 43m : F43m

II/C.01-060

Polhemusite

(Zn,Hg)S

II/C.01-070

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

Luzonite

Cu3AsS4

tetragonal : 42m : I42m

2.CB.400

Famatinite

Cu3SbS4

tetragonal : 42m : I42m

2.CB.405

Permingeatite

Cu3SbSe4

tetragonal : 42m : I42m

2.CB.410

Briartite

Cu2(Zn,Fe)GeS4

tetragonal : 42m : I42m

2.CB.420

Barquillite

Cu2(Cd,Fe)GeS4

tetragonal : 42m : I42m

2.CB.430

Vinciennite

Cu10Fe4Sn(As,Sb)S16

2.CB.440

Polhemusite

(Zn,Hg)S

2.CB.450

Sakuraiite

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

2.CB.460

Hemusite

Cu1+4Cu2+2SnMoS8

2.CB.470

Kiddcreekite

Cu6SnWS8

2.CB.475

Morozeviczite

(Pb,Fe)3Ge1-xS4

2.CB.485

Catamarcaite

Cu6GeWS8

hexagonal : 6mm : P63mc

2.CB.487

Polkovicite

(Fe,Pb)3(Ge,Fe)1-xS4

2.CB.490

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

Galena

PbS

kubisch : m3m : Fm3m

02.08.01.01

Clausthalite

PbSe

kubisch : m3m : Fm3m

02.08.01.02

Altaite

PbTe

kubisch : m3m : Fm3m

02.08.01.03

Alabandite

MnS

kubisch : m3m : Fm3m

02.08.01.04

Oldhamite

(Ca,Mg,Fe,Mn)S

kubisch : m3m : Fm3m

02.08.01.05

Niningerite

(Mg,Fe2+,Mn)S

kubisch : m3m : Fm3m

02.08.01.06

Borovskite

Pd3SbTe4

kubisch : m3m : Fm3m

02.08.01.07

Crerarite

(Pt,Pb)Bi3(S,Se)4-x

kubisch : m3m : Fm3m

02.08.01.08

Keilite

(Fe,Mg,Mn,Ca,Cr)S

kubisch : m3m : Fm3m

02.08.01.09

Sphalerite

(Zn,Fe)S

kubisch : 43m : F43m

02.08.02.01

Stilleite

ZnSe

kubisch : 43m : F43m

02.08.02.02

Metacinnabar

HgS

kubisch : 43m : F43m

02.08.02.03

Tiemannite

HgSe

kubisch : 43m : F43m

02.08.02.04

Coloradoite

HgTe

kubisch : 43m : F43m

02.08.02.05

Hawleyite

CdS

kubisch : 43m : F43m

02.08.02.06

Polhemusite

(Zn,Hg)S

02.08.03.01

Xingzhongite

(Pb,Cu,Fe)(Ir,Pt,Rh)2S4

kubisch : m3m : Fd3m

02.08.04.01

Cooperite

PtS

tetragonal : 4/mmm : P42/mmc

02.08.05.01

Vysotskite

(Pd,Ni)S

tetragonal : 4/m : P42/m

02.08.05.02

Braggite

(Pt,Pd,Ni)S

tetragonal : 4/m : P42/m

02.08.05.03

Polarite

Pd(Pb,Bi)

orthorhombisch : mm2 : Ccm21

02.08.06.01

Greenockite

CdS

hexagonal : 6mm : P63mc

02.08.07.02

Cadmoselite

CdSe

hexagonal : 6mm : P63mc

02.08.07.03

Rambergite

gamma-MnS

hexagonal : 6mm : P63mc

02.08.07.04

Hypercinnabar

HgS

02.08.08.01

CNMNC (IMA)-Number

IMA 1972-017

CNMNC symbol

Symbol

Phe

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

German pages

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English pages

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