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Luanheite Mineral Data
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General Luanheite Information
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 Chemical Formula: |
Ag3Hg |
| Composition: |
Molecular Weight = 524.19 gm |
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Silver 61.73 % Ag |
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Mercury 38.27 % Hg |
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______ |
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100.00 % |
| Empirical Formula: |
Ag3Hg |
| Environment: |
In a placer containing gold and other elements. |
| IMA Status: |
Approved IMA 1984 |
| Locality: |
Luanhe River, Chengde Co.,Hebei Province, China. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Luanheite + Pronunciation  |
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Luanheite Image |
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Images:
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Luanheite Crystallography
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| Axial Ratios: |
a:c = 1:1.66111 |
| Cell Dimensions: |
a = 6.61, c = 10.98, Z = 6; V = 415.47 Den(Calc)= 12.57 |
| Crystal System: |
Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc |
| X Ray Diffraction: |
By Intensity(I/Io): 1.495(1), 1.204(0.9), 2.83(0.7), |
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Physical Properties of Luanheite
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| Cleavage: |
None |
| Color: |
Gray white, Black. |
| Density: |
12.5 |
| Diaphaneity: |
Opaque |
| Fracture: |
Malleable - Deforms rather than breaking apart with a hammer. |
| Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
| Habit: |
Tabular - Form dimensions are thin in one direction. |
| Hardness: |
2.5 - Finger Nail |
| Luster: |
Metallic |
| Streak: |
grayish black |
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Optical Properties of Luanheite
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| RL Anisotrophism: |
Very weak. |
| RL Color: |
Milky white. |
| RL Pleochroism: |
Pinkish gray to milky white. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Luanheite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 546 nm |
62.40 |
70.50 |
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| 589 nm |
64.90 |
74.00 |
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Calculated Relative Intensity Colors of Luanheite in Air
Relative
Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
| R1 |
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| R2 |
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Calculated Properties of Luanheite
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| Electron Density: |
Bulk Density (Electron Density)=10.6 gm/cc
note: Specific Gravity of Luanheite =12.6 gm/cc.
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| Fermion Index: |
Fermion Index = 0.11
Boson Index = 0.89 |
| Photoelectric: |
PELuanheite = 809.18 barns/electron
U=PELuanheite x rElectron Density=8,576.53 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Luanheite is Not Radioactive |
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Luanheite Classification
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| Dana Class: |
01.01.08.04 (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.15b 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.15b Luanheite Ag3Hg P 63/mmc 6/m 2/m 2/m |
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Other Luanheite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Am.Min.,Vol.73,p192,1988) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Luanheite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
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Print or Cut-and-Paste your Luanheite Specimen Label here :
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Luanheite
Ag3Hg
Dana No: 01.01.08.04 Strunz No: 01.AD.15b
Locality:
Notes:
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