Lisiguangite Mineral Data

General Lisiguangite Information

Chemical Formula:

CuPtBiS3

Composition:

Molecular Weight = 544.34 gm

Copper 12.84 % Cu

Bismuth 37.24 % Bi

Palladium 2.74 % Pd

Platinum 29.75 % Pt

Sulfur 17.44 % S

______

100.00 %

Empirical Formula:

Cu_1.1Pt_0.83Pd_0.14Bi_0.97S_2.96

Environment:

Discovered in a PEG-bearing,Co-Cu sulfide vein in garnet pyroxenite. Lapieite group.

IMA Status:

Approved IMA 2007 (Dana # Added)

Locality:

Yanshan Mountains, Chengde Prefecture,Hebei Province, China. Link to MinDat.org Location Data.

Name Origin:

Not given in abstract.

Synonym:

IMA2007-003

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Lisiguangite Crystallography

Axial Ratios:

a:b:c =0.6009:1:0.3836

Cell Dimensions:

a = 7.7152, b = 12.838, c = 4.9248, Z = 4; V = 487.79 Den(Calc)= 7.41

Crystal System:

Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: P 2₁2₁2₁

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.03(1), 3.24(0.8), 1.865(0.6),2.14(0.5), 2.27(0.4), 1.423(0.3), 6.4(0.3), 5.93(0.2),

Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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Yu Z , Cheng F , Ma H , Acta Geologica Sinica , 83 (2009) p.238-244, Lisiguangite, CuPtBiS3, a new platinum-group mineral from the Yanshan Mountains,, Hebei, China, Locality: Yanshan Mountains, Hebei, China

Physical Properties of Lisiguangite

Cleavage:

{010} Perfect, {001} Distinct

Color:

Lead gray.

Diaphaneity:

Opaque

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Euhedral Crystals - Occurs as well-formed crystals showing good external form.

Hardness:

2.5 - Finger Nail

Luster:

Metallic

Streak:

black

Optical Properties of Lisiguangite

RL Anisotrophism:

Weak to moderate (blue-greenish to brown).

RL Bireflectance:

None.

RL Color:

Bright white with a yellowish tint.

RL Pleochroism:

None.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Lisiguangite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
470 nm	37.50	35.70
546 nm	38.60	36.50
589 nm	39.40	37.50
650 nm	40.30	38.20

**Standardized Intensity (100%) Reflection Spectra of Lisiguangite in Oil**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
470 nm	23.40	22.30
546 nm	23.60	22.60
589 nm	23.60	22.70
650 nm	23.70	22.90

**Calculated Relative Intensity Colors of Lisiguangite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	240%	250%
R₁
R₂

**Calculated Relative Intensity Colors of Lisiguangite in Oil**
Relative Intensity	0%	50%	100%	150%	200%	250%	300%	350%	400%
R₁
R₂

Calculated Properties of Lisiguangite

Electron Density:

Bulk Density (Electron Density)=6.29 gm/cc
note: Specific Gravity of Lisiguangite =7.41 gm/cc.

Fermion Index:

Fermion Index = 0.1
Boson Index = 0.9

Photoelectric:

PE_Lisiguangite=1,174.53 barns/electron
U=PE_Lisiguangite x rElectron Density=7,385.15 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Lisiguangite is Not Radioactive

Lisiguangite Classification

Dana Class:

03.04.04.04 (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

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 Lisiguangite Information

References:

NAME( Acta Geologica Sinica(English Edition), v2009:2) PHYS. PROP.(Acta Geologica Sinica(English Edition), v2009:2) OPTIC PROP.(Acta Geologica Sinica(English Edition), v2009:2)

See Also:

Links to other databases for Lisiguangite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Lisiguangite Specimen Label here :

Lisiguangite

CuPtBiS3
Dana No: 03.04.04.04 Strunz No: 02.GA.25
Locality:

Notes: