Classification of Goldamalgam |
| IMA status: | Rejected |
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| Strunz 8th edition ID: | 1/A.02-20
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| Nickel-Strunz 10th (pending) edition ID: | 1.AD.20b
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
D : Mercury-amalgam family |
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| Dana 8th edition ID: | 1.1.12.1
1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group |
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| mindat.org URL: | http://www.mindat.org/min-6974.html
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Physical Properties of Goldamalgam |
| Lustre: | Metallic |
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| Diaphaneity (Transparency): | Opaque |
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| Colour: | Brass yellow |
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| Hardness (Mohs): | 3 |
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| Hardness (Vickers): | VHN5=150 kg/mm2 |
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| Tenacity: | Malleable |
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Crystallography of Goldamalgam |
| Crystal System: | Isometric |
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| Class (H-M): | m3m (4/m 3 2/m) - Hexoctahedral |
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| Space Group: | Im3m {I4/m 3 2/m} |
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| Cell Parameters: | a = 10.01Å
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| Unit Cell Volume: | V 1,003.00 ų (Calculated from Unit Cell) |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 2.38 | | (10) | | 2.22 | | (10) | | 2.12 | | (5) | | 1.45 | | (6) | | 1.24 | | (8) |
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Optical Data of Goldamalgam |
| Type: | Isotropic |
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| Reflectivity: |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 62.1%. |
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| Colour in reflected light: | Pale brown |
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Chemical Properties of Goldamalgam |
| Formula: | |
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| Essential elements: | Au, Hg |
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| All elements listed in formula: | Ag, Au, Hg |
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| Analytical Data: | Electron microprobe analysis of material from Hebei Province, China.
Au (36.64)
Ag (9.16)
Hg (53.17)
sum 98.97 wt.-% |
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| Empirical Formula: | |
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Relationship of Goldamalgam to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Goldamalgam |
| Synonyms: | |
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| Other Languages: | |
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Other Information |
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. |
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References for Goldamalgam |
| Reference List: | 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, 834pp.: 105.
Chen Keqiao, Yang Huifang, Ma Letian and Peng Zhizhong (l98l): The discovery of two new minerals - goldamalgam and leadamalgam. Dizhi Pinglun 27, 107-115 (in Chinese with English abstract). - Abstracted in: American Mineralogist 70, 214-221 (1985). |
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Internet Links for Goldamalgam |
| Search Engines: |
Look for Goldamalgam on Google
Look for Goldamalgam images on Google |
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| Mineral Dealers: | Wilensky Fine MineralsBuy fine minerals and gemstones from Pala InternationalMineral Classics - Worldwide Collector Quality Minerals and GemsRare and Unusual minerals at Mineralogical Research CompanyThe Arkenstone - Fine MineralsBuy from David K Joyce mineralsFabre Minerals - search for Goldamalgam specimensSpiriferMinerals.com - high quality specimensBuy Fine Minerals from mineralsweb.comDAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.Search for - Goldamalgam - on e-Rocks Mineral Sales & Auctionsrare and unusual minerals mainly crystallized |
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| Jobs: | Mining & Geology Jobs |
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Localities for Goldamalgam |
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the  symbol to view information about a locality.
The symbol next to localities in the list
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