Goldamalgam Mineral Data

General Goldamalgam Information

Chemical Formula:

(Au,Ag)Hg

Composition:

Molecular Weight = 375.28 gm

Silver 7.19 % Ag

Mercury 53.45 % Hg

Gold 39.36 % Au

______

100.00 %

Empirical Formula:

Au_0.75Ag_0.25Hg

IMA Status:

Not Approved IMA

Locality:

Link to MinDat.org Location Data.

Name Origin:

Named as the gold dominent analoge of amalgam.

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Goldamalgam Crystallography

Cell Dimensions:

a = 10.01, Z = 25; V = 1,003.00 Den(Calc)= 15.53

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: I m3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.22(1), 2.38(1), 1.24(0.8),

Physical Properties of Goldamalgam

Cleavage:

None

Color:

Bronze, Brass yellow.

Density:

15.47

Diaphaneity:

Opaque

Fracture:

Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.

Hardness:

3 - Calcite

Luster:

Metallic

Streak:

light yellow

Calculated Properties of Goldamalgam

Electron Density:

Bulk Density (Electron Density)=12.5 gm/cc
note: Specific Gravity of Goldamalgam =15.5 gm/cc.

Fermion Index:

Fermion Index = 0.16
Boson Index = 0.84

Photoelectric:

PE_Goldamalgam=1,625.90 barns/electron
U=PE_Goldamalgam x rElectron Density=20319.52 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Goldamalgam is Not Radioactive

Goldamalgam Classification

Dana Class:

01.00.00.00 (01)Native Elements

(01.00)Without Dana Classification Numbers

(01.00.00)Amalgam Alloys

01.00.00.00 Antitaenite* gamma-Fe3Ni Unk Cubic

01.00.00.00 Goldamalgam* (Au,Ag)Hg I m3m 4/m 3 2/m

01.00.00.00 IMA2007-036 TiFeSi2 Pbam 2/m 2/m 2/m

01.00.00.00 Rhenium* Re P 6₃/mmc 6/m 2/m 2/m

01.00.00.00 Tantalum* Ta I m3m 4/m 3 2/m

01.00.00.00 Titanium* Ti P 6₃/mmc 6/m 2/m 2/m

01.00.00.00 Tongxinite* Cu2Zn Unk Cubic

Strunz Class:

01.AD.20b 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)

01.A - Metals and Intermetallic Alloys

01.AD -Mercury-amalgam family

01.AD.20b Goldamalgam* (Au,Ag)Hg I m3m 4/m 3 2/m

Other Goldamalgam Information

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Goldamalgam :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Goldamalgam Specimen Label here :

Goldamalgam

(Au,Ag)Hg
Dana No: 01.00.00.00 Strunz No: 01.AD.20b
Locality:

Notes: