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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).

Other languages

German

Polhemusit

Spanish

Polhemusita

French

Polhemusite

English

Polhemusite

Russian

Полхемусит

Simplified Chinese

硫汞锌矿

Japanese

ポルヘムサイト

CNMNC (IMA)-Number

IMA 1972-017

CNMNC symbol

Symbol

Phe

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

German pages

DeWikiPedia - search for: Polhemusit
Google-Bilder-Suche - search for: Polhemusit
Mineralienatlas.de (Forum) - search for: Polhemusit

English pages

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

Russian pages

Webmineral.ru - search for: Полхемусит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Polhemusit
Crystal-Treasure.com - search for: Polhemusit
Bosse - search for: Polhemusit
Edelsteine Neuburg - Gundolf Fischer - search for: Polhemusit

Locations with GPS information