Isoferroplatinum Mineral Data

Isoferroplatinum Mineral Data +

General Isoferroplatinum Information

Chemical Formula:

(Pt,Pd)3(Fe,Cu)

Composition:

Molecular Weight = 576.52 gm

Iron 7.27 % Fe

Copper 2.76 % Cu

Palladium 13.84 % Pd

Platinum 76.13 % Pt

______

100.00 %

Empirical Formula:

Pt_2.25Pd_0.75Fe⁰⁺_0.75Cu_0.25

Environment:

In Pt-Fe and Cu-Ni deposits in ultramafic rocks, and in placers derived from them.

IMA Status:

Approved IMA 1975

Locality:

Placer Deposits, Tulameen River, British Columbia, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for the structure and composition.

Synonym:

ICSD 42588

PDF 29-716

Isoferroplatinum Image

Images:

Click Here for Larger Isoferroplatinum Image

Isoferroplatinum Cuproiridsite

Comments: Gray equant crystal of cuproiridsite in light gray isoferroplatinum. Polished section (from microprobe analysis) in reflected light.
Location: Konder Mine, Konder alkaline-ultrabasic massif, Aldan shield, Saha (Sakha) Republic (Yakutia), Eastern-Siberian Region, Russia. Scale: Picture size 0.14 mm.
© Thomas Witzke / Abraxas-Verlag

Images:

Isoferroplatinum

Comments: Irregularly shaped silver metallic nugget of isoferroplatinum with minor chromite.
Location: Fox Gulch, Goodnews Bay. Alaska, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Images:

Isoferroplatinum Ruthenium

Comments: Scanning electron micrograph of polished section of ruthenium nugget with isoferroplatinum inclusions.
Location: Miass River, Chelyabinsk District, Southern Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Isoferroplatinum Crystallography

Cell Dimensions:

a = 3.858, Z = 1; V = 57.42 Den(Calc)= 16.67

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): 1.163(1), 2.228(0.9), 1.932(0.7),

Physical Properties of Isoferroplatinum

Color:

Gray, Dark gray.

Density:

16.5

Diaphaniety:

Opaque

Fracture:

Malleable - Deforms rather than breaking apart with a hammer.

Hardness:

5 - Apatite

Luster:

Metallic

Optical Properties of Isoferroplatinum

RL Color:

Bright white.

Calculated Properties of Isoferroplatinum

Electron Density:

r_electron=13.7 gm/cc
note: r_{Isoferroplatinum}=16.7 gm/cc.

Fermion Index

Fermion Index = 0.28979
Boson Index = 0.71021

Photoelectric:

PE_{Isoferroplatinum}=1,240.03 barns/electron
U=PE_{Isoferroplatinum} x r_electron=16977.52 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Isoferroplatinum is Not Radioactive

Isoferroplatinum Classification

Dana Class:

1.2.5.1 (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.15-10 I - Elements

I/A - Metallic and intermetallic compounds, Platinum-Iron-compounds with Tin/Lead and related compunds

I/A.15 - Isoferroplatinum - Ferronickelplatinum series

I/A.15-05 Chengdeite Ir3Fe P m3m 4/m 3 2/m

I/A.15-10 Isoferroplatinum (Pt,Pd)3(Fe,Cu) P m3m 4/m 3 2/m

I/A.15-20 Tetraferroplatinum PtFe P 4/mmm 4/m 2/m 2/m

I/A.15-30 Tulameenite Pt2FeCu P 4/mm 4/m 2/m 2/m

I/A.15-40 Ferronickelplatinum Pt2FeNi P 4/mmm 4/m 2/m 2/m

Other Isoferroplatinum Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Isoferroplatinum :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris

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Isoferroplatinum

(Pt,Pd)3(Fe,Cu)
Dana No: 1.2.5.1 Strunz No: I/A.15-10
Locality:

Notes: