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Goldamalgam Mineral Data
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General Goldamalgam Information
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 Chemical Formula: |
(Au,Ag)Hg |
| Composition: |
Molecular Weight = 375.28 gm |
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Silver 7.19 % Ag |
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Mercury 53.45 % Hg |
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Gold 39.36 % Au |
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______ |
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100.00 % |
| Empirical Formula: |
Au0.75Ag0.25Hg |
| 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
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| Cell Dimensions: |
a = 10.01, Z = 25; V = 1,003.00 Den(Calc)= 15.53 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I m3m |
| X Ray Diffraction: |
By Intensity(I/Io): 2.22(1), 2.38(1), 1.24(0.8), |
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Physical Properties of Goldamalgam
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| 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 |
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Calculated Properties of Goldamalgam
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| Electron Density: |
Bulk Density (Electron Density)=12.5 gm/cc
note: Specific Gravity of Goldamalgam =15.5 gm/cc.
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| Fermion Index: |
Fermion Index = 0.16
Boson Index = 0.84 |
| Photoelectric: |
PEGoldamalgam =1,625.90 barns/electron
U=PEGoldamalgam x rElectron Density=20319.52 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Goldamalgam is Not Radioactive |
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Goldamalgam Classification
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| Dana Class: |
01.00.00.00 (01)Native Elements |
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(01.00)Without Dana Classification Numbers |
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(01.00.00)Amalgam Alloys |
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01.00.00.00 Antitaenite* gamma-Fe3Ni Unk Cubic |
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01.00.00.00 Goldamalgam* (Au,Ag)Hg I m3m 4/m 3 2/m |
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01.00.00.00 IMA2007-036 TiFeSi2 Pbam 2/m 2/m 2/m |
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01.00.00.00 Rhenium* Re P 63/mmc 6/m 2/m 2/m |
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01.00.00.00 Tantalum* Ta I m3m 4/m 3 2/m |
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01.00.00.00 Titanium* Ti P 63/mmc 6/m 2/m 2/m |
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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) |
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01.A - Metals and Intermetallic Alloys |
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01.AD -Mercury-amalgam family |
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01.AD.20b Goldamalgam* (Au,Ag)Hg I m3m 4/m 3 2/m |
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Other Goldamalgam Information
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| 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 :
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Goldamalgam
(Au,Ag)Hg
Dana No: 01.00.00.00 Strunz No: 01.AD.20b
Locality:
Notes:
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