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Goldamalgam

Collectors Summary

Color hellgelb
Streak color hellgelb
Lustre Metallglanz
Hardness (Mohs) 2.5
Solubility - HCl, H2SO4, HNO3
Crystal System kubisch, Im3m

Chemism

Chem­ical formula

(Au,Ag)Hg

Chem­ical com­po­si­tion

Gold, Quecksilber, Silber

Unit weight: 375.283969 u; Number of atoms in the formula: 2

Info

Empirical formula:

(Au0.75Ag0.25)Hg

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Silver

Ag

7.19

0.25

12.50

107.8682200

26.9670550

Gold

Au

39.36

0.75

37.50

196.9665520

147.7249140

Mercury

Hg

53.45

1

50.00

200.5920000

200.5920000

Anal­y­sis wt%

Au : 36.64, Ag : 9.16, Hg : 53.17 (Ref: American Mineralogist 85)

Strunz 9th edi­tion incl. updates

1.AD.20

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
A: Metalle und intermetallische Legierungen
D: Quecksilber-Amalgam-Familie
20:Goldamalgam-Gruppe

Lapis Clas­sifica­tion

I/A.02-070

I: ELEMENTE
A: Metalle und intermetallische Verbindungen

Clas­sifica­tion by Hölzel

1.AE.410

1: ELEMENTS
A: Metals, Intermetallic Compounds, and Alloys
E: Mercury & Amalgam-Group

IMA sta­tus

Ohne Prüfung durch die CNMNC veröffentlicht

Optical Properties

Color

hellgelb

Streak color

hellgelb

Diaphane­ity (Trans­parency)

opak

Lus­tre

Metallglanz

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

229

Space Group

Im3m

Cell param­e­ters a (Å)

10.01

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

25

Volumne (ų)

1003.003

X-Ray Pow­der Diffrac­tion

2.38(100),
2.22(100),
2.12(50),
1.45(60),
1.24(80)

XRD chart Goldamalgam

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2.5

VHN (Hard­ness Vick­ers)

105

Density (g/cm³)

15.28 (berechnet)

15.532 ( ρ calc. Mineralienatlas )

Insta­bil­ity

- HCl, H2SO4, HNO3

Preface

Author (Name, Year)

Chen & Yang & Ma & Peng, 1981

References

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, 105.

Dizhi Lunping (in chinesisch) 27 (1981), 107.

American Mineralogist 1985, 215 (Zusammenfassung).

Strunz Mineralogical Tables 9. Edition (2001), 40.

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

Weishanite

(Au,Ag)1.2Hg0.8

hexagonal : 6/mmm : P63/mmc

1.AD.20

'Goldamalgam'

(Au,Ag)Hg

kubisch : m3m : Im3m

1.AD.20

Aurihydrargyrumite

Au6Hg5

hexagonal : 6/mmm : P63/mcm

1.AD.20a

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

Mercury

Hg

trigonal : 3m : R3m

I/A.02-010

Kolymite

Cu7Hg6

kubisch : 43m : I43m

I/A.02-020

Belendorffite

Cu7Hg6

trigonal : 3m : R3m

I/A.02-022

Eugenite

Ag11Hg2

kubisch : 43m : I43m

I/A.02-028

Moschellandsbergite

Ag2Hg3

kubisch : 23 : I23

I/A.02-030

Luanheite

Ag3Hg

I/A.02-040

Schachnerite

Ag1.1Hg0.9

hexagonal : 6/mmm : P63/mmc

I/A.02-050

Paraschachnerite

Ag1.2Hg0.8

orthorhombisch : mmm, mm2, mm2 : Cmcm, Cmc21, C2cm

I/A.02-060

'Goldamalgam'

(Au,Ag)Hg

kubisch : m3m : Im3m

I/A.02-070

Weishanite

(Au,Ag)1.2Hg0.8

hexagonal : 6/mmm : P63/mmc

I/A.02-080

Potarite

PdHg

tetragonal : 4/mmm : P4/mmm

I/A.02-090

Leadamalgam

Pb0.7Hg0.3

tetragonal : 4/mmm : I4/mmm

I/A.02-100

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

Weishanite

(Au,Ag)1.2Hg0.8

hexagonal : 6/mmm : P63/mmc

1.AE.400

'Goldamalgam'

(Au,Ag)Hg

kubisch : m3m : Im3m

1.AE.410

Other languages

French

Amalgame d'or

Spanish

Auroamalgama

German

Goldamalgam

English

Goldamalgam

Russian

Амальгама золота

Alternative Name

Gold Amalgam

Mercurygold

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

German pages

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

English pages

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

Webmineral.ru - search for: Амальгама золота

Mineral Dealer

German pages

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