Temagamite Mineral Data

Temagamite Mineral Data +

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General Temagamite Information

Chemical Formula:

Pd3HgTe3

Composition:

Molecular Weight = 902.65 gm

Mercury 22.22 % Hg

Tellurium 42.41 % Te

Palladium 35.37 % Pd

______

100.00 %

Empirical Formula:

Pd₃HgTe₃

Environment:

Cogenetic with moderately high temperature invasive chalcopyrite magma. Occurs as inclusions in chalcopyrite.

IMA Status:

Approved IMA 1973

Locality:

Temagami Cu deposit, Temagami, Island, Ontario, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Synonym:

IMA1973-018

Temagamite Image

Images:

Temagamite Borovskite Merenskyite

Comments: Borovskite (Bvk) - temagamite (Tmg) - merenskyite (Mrk) composite grain included in chalcopyrite (Ccp). (CanMin, v 42, p 674).
Location: McBratney high-grade PGE-Au occurrence, Bear Lake mafic unit, Proterozoic Flin Flon greenstone belt, Manitoba, Canada. Scale: See Image.
© Canadian Mineralogist

Temagamite Crystallography

Axial Ratios:

a:b:c =0.9514:1:0.5559

Cell Dimensions:

a = 11.57, b = 12.16, c = 6.76, Z = 6; V = 951.07 Den(Calc)= 9.46

Crystal System:

OrthorhombicSpace Group: Unk

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

By Intensity(I/I_o): 2.912(1), 2.187(0.9), 1.959(0.7),

Physical Properties of Temagamite

Color:

Gray.

Density:

9.5

Diaphaniety:

Opaque

Habit:

Inclusions - Generally found as inclusions in other minerals.

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Hardness:

2.5 - Finger Nail

Luster:

Metallic

Optical Properties of Temagamite

RL Anisotrophism:

Weak in air, stronger in oil, in pale gray and dark gray.

RL Color:

White with a gray tinge.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Temagamite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
470 nm	51.80	52.80
546 nm	52.90	53.90
589 nm	54.20	55.00
650 nm	57.10	57.70

**Calculated Relative Intensity Colors of Temagamite in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	160%	170%
R₁
R₂

Calculated Properties of Temagamite

Electron Density:

r_electron=7.84 gm/cc
note: r_Temagamite=9.46 gm/cc.

Fermion Index

Fermion Index = 0.17997
Boson Index = 0.82003

Photoelectric:

PE_Temagamite= 625.83 barns/electron
U=PE_Temagamite x r_electron=4,906.04 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Temagamite is Not Radioactive

Temagamite Classification

Dana Class:

2.6.5.1 (2)Sulfides - Including Selenides and Tellurides

(2.6)where Am Bn Xp, with (m+n):p=4:3

(2.6.5)Dana Group

2.6.5.1 Temagamite Pd3HgTe3 Unk Ortho

Strunz Class:

II/A.07-50 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 Temagamite Information

References:

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

See Also:

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

Temagamite

Pd3HgTe3
Dana No: 2.6.5.1 Strunz No: II/A.07-50
Locality:

Notes: