Tulameenite Mineral Data

Tulameenite Mineral Data +

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General Tulameenite Information

Chemical Formula:

Pt2FeCu

Composition:

Molecular Weight = 509.55 gm

Iron 10.96 % Fe

Copper 12.47 % Cu

Platinum 76.57 % Pt

______

100.00 %

Empirical Formula:

Pt₂Fe⁰⁺Cu

Environment:

Platinum placers. Forms a series with tetraferroplatiunum.

IMA Status:

Approved IMA 1973

Locality:

Tulameen and Similkameen River, British Columbia, Canada. Link to MinDat.org Location Data.

Name Origin:

Named after the locality.

Synonym:

ICSD 40366

IMA1972-016

PDF 26-528

Tulameenite Image

Images:

Tulameenite Oulankaite Telargpalite Chalcopyrite

Comments: Gray long-prismatic crystal of oulankaite with light grayish telargpalite and pale yellowish-white rims of tulameenite in massive yellowish chalcopyrite. Polished section (from microprobe analysis) in reflected light.
Location: Lukkulaisvaara ultrabasic Massif, Olanga (Oulanka) River, Oulanka plutonic complex, Karelia Republic, Northern Region, Russia. Scale: Picture size 0.12 mm.
© Thomas Witzke / Abraxas-Verlag

Tulameenite Crystallography

Axial Ratios:

a:c = 1:0.91875

Cell Dimensions:

a = 3.902, c = 3.585, Z = 1; V = 54.58 Den(Calc)= 15.50

Crystal System:

Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/mm

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

By Intensity(I/I_o): 2.179(1), 1.094(0.8), 1.163(0.8),

Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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S - Stereo Pair on/off
H - Help Screen
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Bayliss P , The Canadian Mineralogist , 28 (1990) p.751-755, Revised unit cell dimensions, space group,, and chemical formua of some metallic minerals

Physical Properties of Tulameenite

Color:

White.

Density:

14.9

Diaphaniety:

Opaque

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Hardness:

5 - Apatite

Luster:

Metallic

Magnetism:

Distinctly magnetic

Optical Properties of Tulameenite

RL Anisotrophism:

Very weak.

RL Color:

White.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Tulameenite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
470 nm	61.00	65.30
546 nm	60.00	66.50
589 nm	61.50	65.50
650 nm	61.10	64.90

**Calculated Relative Intensity Colors of Tulameenite in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	150%
R₁
R₂

Calculated Properties of Tulameenite

Electron Density:

r_electron=12.8 gm/cc
note: r_Tulameenite=15.5 gm/cc.

Fermion Index

Fermion Index = 0.26112
Boson Index = 0.73888

Photoelectric:

PE_Tulameenite=1,207.77 barns/electron
U=PE_Tulameenite x r_electron=15503.88 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Tulameenite is Not Radioactive

Tulameenite Classification

Dana Class:

1.2.4.2 (1)Native Elements

(1.2)with platinum group metals and alloys

(1.2.4)Tetraferroplatinum group (Space Group P4/mmm)

1.2.4.1 Tetraferroplatinum PtFe P 4/mmm 4/m 2/m 2/m

1.2.4.2 Tulameenite Pt2FeCu P 4/mm 4/m 2/m 2/m

1.2.4.3 Ferronickelplatinum Pt2FeNi P 4/mmm 4/m 2/m 2/m

1.2.4.4 Potarite PdHg P 4/mmm 4/m 2/m 2/m

Strunz Class:

I/A.15-30 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 Tulameenite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

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

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

Tulameenite

Pt2FeCu
Dana No: 1.2.4.2 Strunz No: I/A.15-30
Locality:

Notes: