Tulameenite Mineral Data

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.

Name Pronunciation:

Tulameenite + Pronunciation

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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drag2 - RMB Resize/Rotate
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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

Diaphaneity:

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:

Bulk Density (Electron Density)=12.8 gm/cc
note: Specific Gravity of Tulameenite =15.5 gm/cc.

Fermion Index:

Fermion Index = 0.26
Boson Index = 0.74

Photoelectric:

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

Radioactivity:

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

Tulameenite Classification

Dana Class:

01.02.04.02 (01)Native Elements

(01.02)with platinum group metals and alloys

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

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

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

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

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

Strunz Class:

01.AG.40 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)

01.A - Metals and Intermetallic Alloys

01.AG -PGE-metal alloys

01.AG.40 Ferronickelplatinum Pt2FeNi P 4/mmm 4/m 2/m 2/m

01.AG.40 Tetraferroplatinum PtFe P 4/mmm 4/m 2/m 2/m

01.AG.40 Tulameenite Pt2FeCu P 4/mm 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 - 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 Tulameenite here :
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Print or Cut-and-Paste your Tulameenite Specimen Label here :

Tulameenite

Pt2FeCu
Dana No: 01.02.04.02 Strunz No: 01.AG.40
Locality:

Notes: