Mineralogy Database

Damiaoite Mineral Data

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General Damiaoite Information

Help on Chemical  Formula: Chemical Formula: PtIn2
Help on Composition: Composition: Molecular Weight = 424.72 gm
   Indium    54.07 %  In
   Platinum  45.93 %  Pt
            100.00 % 
Help on Empirical Formula: Empirical Formula: PtIn2
Help on Environment: Environment: In a cobalt-copper-platinum bearing vein in garnet-amphibole pyroxenite.
Help on IMA Status: IMA Status: Approved IMA 1997 (Dana # Added)
Help on Locality: 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.
Help on Name Origin: Name Origin: For its locality.
Help on Name Pronunciation: Name Pronunciation: Damiaoite + Pronunciation Say DAMIAOITE
Help on Synonym: Synonym: ICSD 56259
  PDF 50-1616

Damiaoite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 6.364, Z = 4; V = 257.75 Den(Calc)= 10.94
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.25(1), 1.299(0.8), 1.92(0.6),

Physical Properties of Damiaoite

Help on Cleavage: Cleavage: None
Help on Color: Color: Bright white.
Help on Density: Density: 10.95
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Globular - Spherical, or nearly so, rounded forms (e.g. wavellite).
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Metallic
Help on Streak: Streak: black

Optical Properties of Damiaoite

Help on RL Color: RL Color: Bright white with a yellowish tint.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Damiaoite in Air
λ R  ∑ R(λ) 
 470 nm   49.30   
 550 nm   60.60 
 590 nm   68.50 
 650 nm   80.10 
Calculated Relative Intensity Colors of Damiaoite in Air
   0%   20%   40%   60%   80% 100% 120% 140% 160% 180%

Calculated Properties of Damiaoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=9.07 gm/cc
note: Specific Gravity of Damiaoite =10.9 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.15
Boson Index = 0.85
Help on Photoelectric: Photoelectric: PEDamiaoite = 887.08 barns/electron
U=PEDamiaoite x rElectron Density=8,043.05 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Damiaoite is Not Radioactive

Damiaoite Classification

Help on  Dana Class: Dana Class: (01)Native Elements
  (01.02)with platinum group metals and alloys
  (01.02.12)Dana Group Damiaoite! PtIn2 F m3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 01.AG.55 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
  01.A - Metals and Intermetallic Alloys
  01.AG -PGE-metal alloys
01.AG.55 Damiaoite! PtIn2 F m3m 4/m 3 2/m

Other Damiaoite Information

Help on References: References: NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.83,p653,1998) OPTIC PROP.(MinRec, v 29, p 468)
Help on See Also: 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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Dana No: Strunz No: 01.AG.55





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