Telargpalite Mineral Data

Telargpalite Mineral Data +

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General Telargpalite Information

Chemical Formula:

(Pd,Ag)3Te

Composition:

Molecular Weight = 447.15 gm

Silver 4.82 % Ag

Tellurium 28.54 % Te

Palladium 66.64 % Pd

______

100.00 %

Empirical Formula:

Pd_2.8Ag_0.2Te

Environment:

Ultra-basic cumulate.

IMA Status:

Approved IMA 1974

Locality:

Oktyabr mine, Talnakh area, Norilsk, Russia. Stillwater complex, Nye County, Montana, USA. Link to MinDat.org Location Data.

Name Origin:

Named for the composition (Tel, Ag, Pd).

Telargpalite Image

Images:

Click Here for Larger Telargpalite Image

Telargpalite Oulankaite Tulameenite 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

Telargpalite Crystallography

Cell Dimensions:

a = 12.6, Z = 16; V = 2,000.38 Den(Calc)= 5.94

Crystal System:

IsometricSpace Group: Unk

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

By Intensity(I/I_o): 2.42(1), 2.1(0.5), 3.05(0.4),

Physical Properties of Telargpalite

Color:

Steel gray.

Density:

7.375

Diaphaniety:

Opaque

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Hardness:

2-2.5 - Gypsum-Finger Nail

Luster:

Metallic

Optical Properties of Telargpalite

RL Color:

Light gray with lilac tint.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Telargpalite in Air**
λ	R	∑ R(λ)
440 nm	44.70
460 nm	45.30
480 nm	46.60
500 nm	47.50
520 nm	49.10
540 nm	50.10
560 nm	50.90
580 nm	51.70
600 nm	52.40
620 nm	53.70
640 nm	54.70
660 nm	55.60
680 nm	56.70
700 nm	57.20

**Calculated Relative Intensity Colors of Telargpalite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	200%
R

Calculated Properties of Telargpalite

Electron Density:

r_electron=5.05 gm/cc
note: r_Telargpalite=5.94 gm/cc.

Fermion Index

Fermion Index = 0.1716
Boson Index = 0.8284

Photoelectric:

PE_Telargpalite= 279.71 barns/electron
U=PE_Telargpalite x r_electron=1,413.43 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Telargpalite is Not Radioactive

Telargpalite Classification

Dana Class:

2.1.3.1 (2)Sulfides - Including Selenides and Tellurides

(2.1)where Am Xp, with m:p>3:1

(2.1.3)Dana Group

2.1.3.1 Telargpalite (Pd,Ag)3Te Unk Cubic

Strunz Class:

II/A.07-10 II - Sulfides and sulphosalts

II/A - Alloys and alloylike compounds, with metals of the Platinum series, (Palladium)

II/A.07 - Telargpalite - Borovskite series

II/A.07-10 Telargpalite (Pd,Ag)3Te Unk Cubic

II/A.07-20 Keithconnite Pd3-xTe(x=0.14to0.43) R 3 3

II/A.07-30 Telluropalladinite Pd9Te4 P 2₁/c 2/m

II/A.07-35 Oulankaite! (Pd,Pt)5(Cu,Fe)4SnTe2S2 Tetra

II/A.07-40 Sopcheite Ag4Pd3Te4 Unk Ortho

II/A.07-50 Temagamite Pd3HgTe3 Unk Ortho

II/A.07-60 Borovskite Pd3SbTe4 F m3m 4/m 3 2/m

Other Telargpalite Information

References:

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

See Also:

Links to other databases for Telargpalite :
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 Telargpalite Specimen Label here :

Telargpalite

(Pd,Ag)3Te
Dana No: 2.1.3.1 Strunz No: II/A.07-10
Locality:

Notes: