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Damiaoite Mineral Data
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General Damiaoite Information
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 Chemical Formula: |
PtIn2 |
| Composition: |
Molecular Weight = 424.72 gm |
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Indium 54.07 % In |
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Platinum 45.93 % Pt |
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______ |
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100.00 % |
| Empirical Formula: |
PtIn2 |
| Environment: |
In a cobalt-copper-platinum bearing vein in garnet-amphibole pyroxenite. |
| IMA Status: |
Approved IMA 1997 (Dana # Added) |
| Locality: |
Near the village of Damiao and the Yixun River, about 370 km N of Beijing, People's Republic of China. Link to MinDat.org Location Data. |
| Name Origin: |
For its locality. |
| Name Pronunciation: |
Damiaoite + Pronunciation  |
| Synonym: |
ICSD 56259 |
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IMA1995-041 |
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PDF 50-1616 |
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Damiaoite Crystallography
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| Cell Dimensions: |
a = 6.364, Z = 4; V = 257.75 Den(Calc)= 10.94 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m |
| X Ray Diffraction: |
By Intensity(I/Io): 2.25(1), 1.299(0.8), 1.92(0.6), |
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Physical Properties of Damiaoite
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| Cleavage: |
None |
| Color: |
Bright white. |
| Density: |
10.95 |
| Diaphaneity: |
Opaque |
| Habit: |
Globular - Spherical, or nearly so, rounded forms (e.g. wavellite). |
| Hardness: |
5 - Apatite |
| Luster: |
Metallic |
| Streak: |
black |
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Optical Properties of Damiaoite
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| RL Color: |
Bright white with a yellowish tint. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Damiaoite in Air
| λ |
R |
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∑ R(λ) |
| 470 nm |
49.30 |
 |
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| 550 nm |
60.60 |
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| 590 nm |
68.50 |
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| 650 nm |
80.10 |
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Calculated Relative Intensity Colors of Damiaoite in Air
Relative
Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
160% |
180% |
| R |
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Calculated Properties of Damiaoite
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| Electron Density: |
Bulk Density (Electron Density)=9.07 gm/cc
note: Specific Gravity of Damiaoite =10.9 gm/cc.
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| Fermion Index: |
Fermion Index = 0.15
Boson Index = 0.85 |
| Photoelectric: |
PEDamiaoite = 887.08 barns/electron
U=PEDamiaoite x rElectron Density=8,043.05 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Damiaoite is Not Radioactive |
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Damiaoite Classification
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| Dana Class: |
01.02.12.01 (01)Native Elements |
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(01.02)with platinum group metals and alloys |
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(01.02.12)Dana Group |
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01.02.12.01 Damiaoite! PtIn2 F m3m 4/m 3 2/m |
| Strunz Class: |
01.AG.55 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.55 Damiaoite! PtIn2 F m3m 4/m 3 2/m |
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Other Damiaoite Information
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| References: |
NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.83,p653,1998) OPTIC PROP.(MinRec, v 29, p 468) |
| See Also: |
Links to other databases for Damiaoite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
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Print or Cut-and-Paste your Damiaoite Specimen Label here :
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Damiaoite
PtIn2
Dana No: 01.02.12.01 Strunz No: 01.AG.55
Locality:
Notes:
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