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Amalgam Mineral Data
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General Amalgam Information
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 Chemical Formula: |
Ag2Hg3 |
| Composition: |
Molecular Weight = 817.51 gm |
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Silver 26.39 % Ag |
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Mercury 73.61 % Hg |
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______ |
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100.00 % |
| Empirical Formula: |
Ag2Hg3 |
| Environment: |
Base metal ore deposits with oxidisable mercury sulfides. |
| IMA Status: |
Not Approved IMA |
| Locality: |
Germany, Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the Medieval Latin "amalgama" for a mercury-metal alloy, generally when the other metal is silver. |
| Name Pronunciation: |
Amalgam  |
| Synonym: |
Kongsbergite |
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Silver amalgam (Hg) |
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Amalgam Crystallography
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| Cell Dimensions: |
a = 9.9, Z = 10; V = 970.30 Den(Calc)= 13.99 |
| Crystal System: |
Isometric Space Group: Unk |
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Physical Properties of Amalgam
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| Cleavage: |
{???} Indistinct |
| Color: |
White. |
| Density: |
13.75 - 14.1, Average = 13.92 |
| Diaphaneity: |
Opaque |
| Fracture: |
Malleable - Deforms rather than breaking apart with a hammer. |
| Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. |
| Hardness: |
3-3.5 - Calcite-Copper Penny |
| Luminescence: |
Non-fluorescent. |
| Luster: |
Metallic |
| Magnetism: |
Nonmagnetic |
| Streak: |
white |
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Calculated Properties of Amalgam
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| Electron Density: |
Bulk Density (Electron Density)=11.4 gm/cc
note: Specific Gravity of Amalgam =14.0 gm/cc.
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| Fermion Index: |
Fermion Index = 0.22
Boson Index = 0.78 |
| Photoelectric: |
PEAmalgam =1,348.65 barns/electron
U=PEAmalgam x rElectron Density=15417.13 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Amalgam is Not Radioactive |
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Amalgam Classification
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| Dana Class: |
01.01.08.00 (01)Native Elements |
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(01.01)with metallic elements other than the platinum group |
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(01.01.08)Silver Amalgam Alloys |
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01.01.08.00 Amalgam* Ag2Hg3 Unk Cubic |
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01.01.08.01 Moschellandsbergite Ag2Hg3 I m3m 4/m 3 2/m |
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01.01.08.02 Schachnerite Ag1.1Hg0.9 P 63/mmc 6/m 2/m 2/m |
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01.01.08.03 Paraschachnerite Ag3Hg2 C mcm 2/m 2/m 2/m |
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01.01.08.04 Luanheite Ag3Hg P 63/mmc 6/m 2/m 2/m |
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01.01.08.05 Eugenite Ag9Hg2 I 43m 4 3m |
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01.01.08.06 Weishanite (Au,Ag)3Hg2 P 63/mmc 6/m 2/m 2/m |
| Strunz Class: |
01.AD.00 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.00 Amalgam* Ag2Hg3 Unk Cubic |
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Other Amalgam Information
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| References: |
PHYS. PROP.(Dana) |
| See Also: |
Links to other databases for Amalgam :
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
11 - Scandinavian mineral gallery
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Print or Cut-and-Paste your Amalgam Specimen Label here :
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Amalgam
Ag2Hg3
Dana No: 01.01.08.00 Strunz No: 01.AD.00
Locality:
Notes:
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