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Electrum

Pictures (15 Images total)

Gold ged., Var. Elektrum
Views (Image: 1567273078): 5742, Rating: 8.88
Gold ged., Var. Elektrum  E
Analysed with energy dispersive X-ray spectroscopy EDX

FO: Grube Clara/Schwarzwald; Bildbreite ca. 18mm (!); Fund von Anfang der 1980er Jahre; EDX analysiert: Au 70% / Ag 30%

Collection: Reinhard Motzigemba
Copyright: etalon
Contribution: etalon 2019-08-31
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Elektrum
Views (Image: 1228247988): 15215, Rating: 7.5
Elektrum

Fundort: Manhattan, Manhattan District, Nye Co., Nevada, USA

Copyright: Rob Lavinsky
Contribution: slugslayer 2008-12-02
Locality: Manhattan / Manhattan District / Nye Co. / Nevada / USA
Elektrum
Views (Image: 1252687193): 5132
Elektrum

Fundort: "Evianquelle" , Böckstein,Bad Gastein, Gasteiner Tal, Hohe Tauern, Salzburg,Österreich.

Collection: Martin Slama
Copyright: Martin Slama
Contribution: SENNAH 2009-09-11
Locality: Evianquelle / Böckstein / Bad Gastein / Gasteinertal / St. Johann im Pongau, Bezirk / Salzburg / Österreich
Elektrum
Views (Image: 1221816457): 21590
Elektrum

Round Mountain Mine, Round Mountain District, Nye County, Nevada, USA. 4,5 cm. Enthält 33,3 % Silber.

Copyright: Mark Wrigley
Contribution: Collector 2008-09-19
Locality: Round Mountain Mine / Round Mountain District / Nye Co. / Nevada / USA
Elektrum
Views (Image: 1252689516): 9679
Elektrum

Größe: 8 mm, Fundort: Rauriser Goldberg, Kolm- Saigurn, Alteck, Hüttwinkeltal, Rauris, Hohe Tauern, Salzburg, Österreich.

Collection: Martin Slama
Copyright: Martin Slama
Contribution: SENNAH 2009-09-11
Locality: Kolm-Saigurn / Raurisertal / Rauris / Zell am See, Bezirk (Pinzgau) / Salzburg / Österreich
Elektrum
Views (Image: 1478525390): 3251
Elektrum

St.Gotthard-Eisenbahntunnel; Göschenen, Amsteg, Uri, Schweiz. BB:6cm.

Collection: Mineralientage München 2016
Copyright: Doc Diether
Contribution: Doc Diether 2016-11-07
Locality: St Gotthard-Eisenbahntunnel (Nordabschnitt) / Göschenen / Uri, Kanton / Schweiz

Collectors Summary

Color silbrig-golden
Lustre Metallglanz
Crystal System kubisch, Fm3m

Chemism

Chem­ical formula

(Au,Ag)

Addi­tional chem. informa­tion

Eine Varietät von Gold üblicherweise mit mehr als 20 Gew.% Silber.

Chem­ical com­po­si­tion

Gold, Silber

Unit weight: 174.691969 u; Number of atoms in the formula: 1

Info

Empirical formula:

(Au0.75Ag0.25)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Silver

Ag

15.44

0.25

25.00

107.8682200

26.9670550

Gold

Au

84.56

0.75

75.00

196.9665520

147.7249140

Strunz 9th edi­tion incl. updates

1.AA.05

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
A: Metalle und intermetallische Legierungen
A: Kupfer-Cupalit-Familie
05:Kupfer-Gruppe

IMA sta­tus

nicht anerkannt, Zwischenglied zwischen 2 anerkannten Mineralien

Min­eral sta­tus

Varietät

Var­i­ety / poly­type of

Gold

Optical Properties

Color

silbrig-golden

Lus­tre

Metallglanz

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

225

Space Group

Fm3m

Cell param­e­ters a (Å)

4.08

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

67.917

X-Ray Pow­der Diffrac­tion

2.36(40),
2.04(30),
1.443(40),
1.232(50),
0.938(60),
0.913(60),
0.834(70),
0.786(100)

XRD chart Electrum

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

Crystals 3D

Open larger view

Physical Properties

Density (g/cm³)

Je nach Legierung um 16

17.084 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Plinius & 77 A.D.

References

Dana's System of Mineralogy, 7th edition, 1 (1944), 91.

Geological Society of America Memoir 85 (1962), 11.

Mineralium Deposita 22 (1987), 309.

Strunz Mineralogical Tables 9. Edition (2001), 34.

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

Lead

Pb

kubisch : m3m : Fm3m

1.AA.05

Gold

Au

kubisch : m3m : Fm3m

1.AA.05

Copper

Cu

kubisch : m3m : Fm3m

1.AA.05

Nickel

Ni

kubisch : m3m : Fm3m

1.AA.05

Silver

Ag

kubisch : m3m : Fm3m

1.AA.05

'Electrum' (Var.v. Gold)

(Au,Ag)

kubisch : m3m : Fm3m

1.AA.05

Aluminium

Al

kubisch : m3m : Fm3m

1.AA.05

Other languages

English

Electrum

French

Electrum

German

Elektrum

Spanish

Oroche

Russian

Электрум

Alternative Name

Simplified Chinese

银金矿

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Электрум

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Elektrum
Crystal-Treasure.com - search for: Elektrum
Bosse - search for: Elektrum

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