Lapieite Mineral Data

Lapieite Mineral Data
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General Lapieite Information

Help on Chemical Formula: Chemical Formula: CuNiSbS3
Help on Composition: Composition: Molecular Weight = 340.18 gm
   Copper    18.68 %  Cu
   Nickel    17.25 %  Ni
   Antimony  35.79 %  Sb
   Sulfur    28.28 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: CuNiSbS3
Help on Environment: Environment: In a highly altered and mineralized glacial erratic.
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: Near the confluence of Glacier Creek and the Lapie River, Cyr Ranges, Yukon Territory, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Lapieite Say LAPIEITE
Help on Synonym: Synonym: IMA1983-002
 

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Lapieite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.5933:1:0.3917
Help on Cell Dimensions: Cell Dimensions: a = 7.422, b = 12.508, c = 4.9, Z = 4; V = 454.89 Den(Calc)= 4.97
Help on Crystal System: Crystal System: Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: P 212121
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.959(1), 1.837(0.9), 3.178(0.9),
 

Physical Properties of Lapieite

Help on Cleavage: Cleavage: {100} Distinct
Help on Color: Color: Steel gray.
Help on Density: Density: 4.966
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 4.5-5 - Near Apatite
Help on Luster: Luster: Metallic
 

Optical Properties of Lapieite

Help on RL Anisotrophism: RL Anisotrophism: Strong, very pale blue to intense yellowish pink tints.
Help on RL Pleochroism: RL Pleochroism: Shades of greenish gray to gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Lapieite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   33.40   32.10 
   
 420 nm   34.00   32.20 
 440 nm   34.60   32.50 
 460 nm   34.90   33.30 
 480 nm   34.80   34.50 
 500 nm   34.50   35.80 
 520 nm   34.10   36.50 
 540 nm   33.90   36.80 
 560 nm   34.10   36.70 
 580 nm   34.30   36.70 
 600 nm   34.30   36.80 
 620 nm   34.40   37.00 
 640 nm   34.80   37.30 
 660 nm   35.60   37.80 
 680 nm   36.60   38.60 
 700 nm   37.80   39.50 
Calculated Relative Intensity Colors of Lapieite in Air
Relative
Intensity		    0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 270%
R1                      
R2                      
 

Calculated Properties of Lapieite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.56 gm/cc
note: Specific Gravity of Lapieite =4.97 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0040703913
Boson Index = 0.9959296087
Help on Photoelectric: Photoelectric: PELapieite = 132.20 barns/electron
U=PELapieite x rElectron Density= 602.62 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Lapieite is Not Radioactive
 

Lapieite Classification
Help on Dana Class: Dana Class: 03.04.04.01 (03)Sulfides - Sulfosalts
  (03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.04.04)Lapieite Group
 
03.04.04.01 Lapieite CuNiSbS3 P 212121 2 2 2
 
03.04.04.02 Muckeite CuNiBiS3 P 212121 2 2 2
 
03.04.04.03 Malyshevite PdCuBiS3 P mmm 2/m 2/m 2/m
 
03.04.04.04 Lisiguangite! CuPtBiS3 P 212121 2 2 2
Help on Strunz Class: Strunz Class: 02.GA.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.G - Sulfarsenites, sulfantimonites, sulfbismuthites
  02.GA -Neso-sulfarsenites, etc., without additional S
 
02.GA.25 Muckeite CuNiBiS3 P 212121 2 2 2
 
02.GA.25 Lapieite CuNiSbS3 P 212121 2 2 2
 
02.GA.25 Malyshevite PdCuBiS3 P mmm 2/m 2/m 2/m
 
02.GA.25 Lisiguangite! CuPtBiS3 P 212121 2 2 2
 

Other Lapieite Information
Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Lapieite :
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 Lapieite Specimen Label here :

Lapieite

CuNiSbS3
Dana No: 03.04.04.01 Strunz No: 02.GA.25
Locality:

 

Notes: