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Hongshiite Mineral Data
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General Hongshiite Information
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 Chemical Formula: |
PtCu |
| Composition: |
Molecular Weight = 258.63 gm |
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Copper 24.57 % Cu |
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Platinum 75.43 % Pt |
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______ |
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100.00 % |
| Empirical Formula: |
PtCu |
| Environment: |
Apatite-bearing actinolized diopsidite. |
| IMA Status: |
Not Approved IMA 1974 |
| Locality: |
Hong district, China. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Hongshiite + Pronunciation  |
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Hongshiite Image |
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Images:
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Palladodymite Hongshiite Ruthenium
Comments: Palladodymite (light gray, in two small grains), hongshiite (pale creamy grayish, tarnished brownish) in massive ruthenium. Polished section (from microprobe analysis) in reflected light.
Location: Miass River, Zlatoust, Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia.
Scale: Picture size 0.09 mm.
© Thomas Witzke / Abraxas-Verlag |
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Hongshiite Crystallography
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| Axial Ratios: |
a:c = 1:1.23301 |
| Cell Dimensions: |
a = 10.703, c = 13.197, Z = 48; V = 1,309.23 Den(Calc)= 15.74 |
| Crystal System: |
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m |
| X Ray Diffraction: |
By Intensity(I/Io): 1.91(1), 2.211(1), 4.52(1), |
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Physical Properties of Hongshiite
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| Cleavage: |
None |
| Color: |
Lead gray, Bronze. |
| Density: |
15.63 |
| Diaphaneity: |
Opaque |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
5 - Apatite |
| Luster: |
Metallic |
| Streak: |
black |
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Optical Properties of Hongshiite
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| RL Anisotrophism: |
Weak to moderate, dull gray to dull reddish brown. |
| RL Color: |
Bright white with a slight brownish tint. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Hongshiite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 480 nm |
58.90 |
56.70 |
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| 546 nm |
62.80 |
60.50 |
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| 589 nm |
65.80 |
63.80 |
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Calculated Relative Intensity Colors of Hongshiite in Air
Relative
Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
160% |
| R1 |
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| R2 |
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Calculated Properties of Hongshiite
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| Electron Density: |
Bulk Density (Electron Density)=13.0 gm/cc
note: Specific Gravity of Hongshiite =15.7 gm/cc.
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| Fermion Index: |
Fermion Index = 0.25
Boson Index = 0.75 |
| Photoelectric: |
PEHongshiite =1,193.30 barns/electron
U=PEHongshiite x rElectron Density=15541.65 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hongshiite is Not Radioactive |
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Hongshiite Classification
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| Dana Class: |
01.02.03.01 (01)Native Elements |
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(01.02)with platinum group metals and alloys |
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(01.02.03)Dana Group |
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01.02.03.01 Hongshiite* PtCu R 3m 3 2/m |
| Strunz Class: |
01.AG.45 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.AG -PGE-metal alloys |
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01.AG.45 Hongshiite* PtCu R 3m 3 2/m |
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01.AG.45 Skaergaardite! CuPd P m3m 4/m 3 2/m |
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Other Hongshiite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Hongshiite :
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 Hongshiite Specimen Label here :
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Hongshiite
PtCu
Dana No: 01.02.03.01 Strunz No: 01.AG.45
Locality:
Notes:
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