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Polhemusite

Pictures (2 Images total)

Polhemusit
Views (File:
1592044470
): 293
Polhemusit
schwarzgraue Masse von Polhemusit neben rotem Realgar, Getchell Mine, Humboldt County, Nevada, USA; BB < 1 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: USA/Nevada/Humboldt County/Golconda District/Getchell Mine
Mineral: Polhemusite
Image: 1592044470
License: Usage for Mineralienatlas project only
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 County / Nevada / USA
Polhemusit
Views (File:
1701613828
): 35
Polhemusit
Schwarz glänzende Polhemusit-xx (ohne Maßstab) von der Getchell Mine in Nevada, USA, vergesellschaftet mit Realgar und Auripigment. Ex Van den Broucke Sammlung (sh.: https://www.mindat.org/mesg-560223.html).
Copyright: Wikipedia-user: David Hospital; Contribution: oliverOliver
Location: USA/Nevada/Humboldt County/Golconda District/Getchell Mine
Mineral: Polhemusite
Image: 1701613828
Rating: 1 (votes: 1)
License: Creative Commons - Attribution-ShareAlike 4.0 International  (CC BY-SA) V.4.0
Polhemusit

Schwarz glänzende Polhemusit-xx (ohne Maßstab) von der Getchell Mine in Nevada, USA, vergesellschaftet mit Realgar und Auripigment. Ex Van den Broucke Sammlung (sh.: https://www.mindat.org/mesg-560~...
Copyright: Wikipedia-user: David Hospital
Contribution: oliverOliver 2023-12-03
Locality: Getchell Mine / Golconda District / Humboldt County / 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, Sulfoarsenide, Sulfoantimonide, Sulfobismuthide)
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

Volume (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!

(Co-)Type locality

(Co-)Type locality

USA/Idaho/Valley County/Big Creek District/B and B Antimonlagerstätte

Preface

Author (Name, Year)

Leonard & Desborough & Mead, 1978

References

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

Strunz Mineralogical Tables 9. Edition (2001).

Other languages

German

Polhemusit

Spanish

Polhemusita

French

Polhemusite

English

Polhemusite

Russian

Полхемусит

Simplified Chinese

硫汞锌矿

Japanese

ﾎﾟﾙﾍﾑｻｲﾄ

CNMNC (IMA)-Number

IMA 1972-017

CNMNC symbol

Symbol

Phe

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 2wB_8DkJOUeGjX5nb3w-Ew
GUID (Global unique identifier) F07F00DB-0939-4739-868D-7E676F7C3E13
Database ID 3098