Lapieite Mineral Data (original) (raw)

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 R 2 ∑ 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

RelativeIntensity 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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Ask about Lapieite here :
Ask-A-Mineralogist from the Mineralogical Society of America
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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: