Yixunite Mineral Data

Yixunite Mineral Data +

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General Yixunite Information

Chemical Formula:

Pt3In

Composition:

Molecular Weight = 700.06 gm

Indium 16.40 % In

Platinum 83.60 % Pt

______

100.00 %

Empirical Formula:

Pt₃In

Environment:

In a cobalt-copper-platinum bearing vein in garnet-amphibole pyroxenite.

IMA Status:

Approved IMA 1998 (Dana # Added)

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.

Name Origin:

Named after it locality.

Synonym:

ICSD 40124

IMA1995-042

PDF 29-675

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Yixunite Crystallography

Cell Dimensions:

a = 3.988, Z = 1; V = 63.43 Den(Calc)= 18.33

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: P m3m

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

By Intensity(I/I_o): 2.3(1), 1.203(0.8), 1.99(0.6),

Crystal Structure:

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Yu T H , Lin S J , Chao P , Fang C S , Huang C S , Acta Geologica Sinica , 48 (1974) p.202-218, A preliminary study of some new minerals of the, platinum-group and another associated new one in, platinum-bearing intrusions in a region of China, Locality: China

View Additional jPOWD Structure files for Yixunite
[1]

Physical Properties of Yixunite

Cleavage:

None

Color:

Bright white.

Density:

18.21 - 18.32, Average = 18.26

Diaphaniety:

Opaque

Habit:

Globular - Spherical, or nearly so, rounded forms (e.g. wavellite).

Hardness:

6 - Orthoclase

Luster:

Metallic

Streak:

black

Optical Properties of Yixunite

RL Color:

Bright white with a yellowish tint.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Yixunite in Air**
λ	R	∑ R(λ)
450 nm	54.50
470 nm	56.10
550 nm	62.50
590 nm	65.70
650 nm	71.30

**Calculated Relative Intensity Colors of Yixunite in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	160%
R

Calculated Properties of Yixunite

Electron Density:

r_electron=14.8 gm/cc
note: r_Yixunite=18.3 gm/cc.

Fermion Index

Fermion Index = 0.28256
Boson Index = 0.71744

Photoelectric:

PE_Yixunite=1,392.01 barns/electron
U=PE_Yixunite x r_electron=20629.33 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Yixunite is Not Radioactive

Yixunite Classification

Dana Class:

1.2.5.6 (1)Native Elements

(1.2)with platinum group metals and alloys

(1.2.5)Isoferroplatinum group (Space Group Pm3m)

1.2.5.1 Isoferroplatinum (Pt,Pd)3(Fe,Cu) P m3m 4/m 3 2/m

1.2.5.2 Rustenburgite (Pt,Pd)3Sn F m3m 4/m 3 2/m

1.2.5.3 Atokite (Pd,Pt)3Sn F m3m 4/m 3 2/m

1.2.5.4 Zvyagintsevite (Pd,Pt,Au)3(Pb,Sn) P m3m 4/m 3 2/m

1.2.5.5 Chengdeite Ir3Fe P m3m 4/m 3 2/m

1.2.5.6 Yixunite ! Pt3In P m3m 4/m 3 2/m

Strunz Class:

I/A.14-80 I - Elements

I/A - Metallic and intermetallic compounds, Carbides, Nitrides, Phosphides and Silicides

I/A.14 - Platinum series

I/A.14-10 Rhodium (Rh,Pt) F m3m 4/m 3 2/m

I/A.14-20 Palladium Pd,Pt F m3m 4/m 3 2/m

I/A.14-30 Iridium (Ir,Os,Ru,Pt) F m3m 4/m 3 2/m

I/A.14-70 Platinum Pt F m3m 4/m 3 2/m

I/A.14-80 Yixunite Pt3In P m3m 4/m 3 2/m

I/A.14-85 Damiaoite! PtIn2 F m3m 4/m 3 2/m

I/A.14-90 Hongshiite* PtCu R 3m 3 2/m

I/A.14-100 Skaergaardite! CuPd P m3m 4/m 3 2/m

Other Yixunite Information

References:

NAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(MinRec)

See Also:

Links to other databases for Yixunite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas

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Yixunite

Pt3In
Dana No: 1.2.5.6 Strunz No: I/A.14-80
Locality:

Notes: