Mineralogy Database

Hongshiite Mineral Data

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General Hongshiite Information

Help on Chemical  Formula: Chemical Formula: PtCu
Help on Composition: Composition: Molecular Weight = 258.63 gm
   Copper    24.57 %  Cu
   Platinum  75.43 %  Pt
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: PtCu
Help on Environment: Environment: Apatite-bearing actinolized diopsidite.
Help on IMA Status: IMA Status: Not Approved IMA 1974
Help on Locality: Locality: Hong district, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Hongshiite + Pronunciation Say HONGSHIITE
 

Hongshiite Image

Click Here for Larger   Image in a New Browser Window 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

Hongshiite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.23301
Help on Cell Dimensions: Cell Dimensions: a = 10.703, c = 13.197, Z = 48; V = 1,309.23 Den(Calc)= 15.74
Help on Crystal System: Crystal System: Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.91(1), 2.211(1), 4.52(1),
 

Physical Properties of Hongshiite

Help on Cleavage: Cleavage: None
Help on Color: Color: Lead gray, Bronze.
Help on Density: Density: 15.63
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Metallic
Help on Streak: Streak: black
 

Optical Properties of Hongshiite

Help on RL Anisotrophism: RL Anisotrophism: Weak to moderate, dull gray to dull reddish brown.
Help on RL Color: RL Color: Bright white with a slight brownish tint.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Hongshiite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 480 nm   58.90   56.70 
   
 546 nm   62.80   60.50 
 589 nm   65.80   63.80 
Calculated Relative Intensity Colors of Hongshiite in Air
Relative
Intensity
   0%   20%   40%   60%   80% 100% 120% 140% 160%
R1                  
R2                  
 

Calculated Properties of Hongshiite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=13.0 gm/cc
note: Specific Gravity of Hongshiite =15.7 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.25
Boson Index = 0.75
Help on Photoelectric: Photoelectric: PEHongshiite =1,193.30 barns/electron
U=PEHongshiite x rElectron Density=15541.65 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hongshiite is Not Radioactive
 

Hongshiite Classification

Help on  Dana Class: Dana Class: 01.02.03.01 (01)Native Elements
  (01.02)with platinum group metals and alloys
  (01.02.03)Dana Group
 
01.02.03.01 Hongshiite* PtCu R 3m 3 2/m
Help on  Strunz Class: Strunz Class: 01.AG.45 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.45 Hongshiite* PtCu R 3m 3 2/m
 
01.AG.45 Skaergaardite! CuPd P m3m 4/m 3 2/m
 

Other Hongshiite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: 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 :

Hongshiite

PtCu
Dana No: 01.02.03.01 Strunz No: 01.AG.45
Locality:

 

Notes:

 

 
   
 


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