Pasavaite Mineral Data
General Pasavaite Information
Chemical Formula:
Pd3Pb2Te2
Composition:
Molecular Weight = 989.23 gm
Tellurium 26.06 % Te
Palladium 31.84 % Pd
Lead 42.10 % Pb
______
100.00 %
Empirical Formula:
Pd2.96 Pb2.01 Te2.02
Environment:
Inclustions in polarite grains. Shandite group.
IMA Status:
Approved IMA 2007 (Dana # Added)
Locality:
Talnakh deposit, Noril�sk-Talnakh camp, Taimyr Autonomous District, Siberia, Russia. Link to MinDat.org Location Data.
Name Origin:
Named for Jan Pasava, in recognition of his important contributions to the geochemistry of platinum-group elements in anoxic environments and related ore deposits.
Synonym:
IMA2007-059
Pasavaite Image
Images:
Pasavaite Polarite
Comments: BSE image of pasavaite (pas) embedded in polarite (po) in association with sperrylite (sp), Pd-Pb-Bi-Te and Au-Ag phases. (CanMin, v47:53).
Location: Talnakh deposit, Noril’sk-Talnakh Ni-Cu camp, Taimyr Autonomous District, Russia.
Scale: See Image.
© Canadian Mineralogist
Pasavaite Crystallography
Axial Ratios:
a:b:c =1.4481:1:1.0638
Cell Dimensions:
a = 8.599, b = 5.9381, c = 6.3173, Z = 2; V = 322.57 Den(Calc)= 10.18
Crystal System:
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pmmn
X Ray Diffraction:
By Intensity(I/Io ): 3.0495(1), 2.1637(0.71), 2.5456(0.63), 1.8906(0.42), 2.2786(0.42), 2.4424(0.34), 6.3152(0.34), 3.1572(0.33),
Physical Properties of Pasavaite
Cleavage:
{001} Poor
Color:
Gray.
Density:
9.9
Diaphaneity:
Opaque
Fracture:
Brittle - Generally displayed by glasses and most non-metallic minerals.
Habit:
Inclusions - Generally found as inclusions in other minerals.
Habit:
Microscopic Crystals - Crystals visible only with microscopes.
Hardness:
2 - Gypsum
Luster:
Metallic
Streak:
gray
Optical Properties of Pasavaite
RL Anisotrophism:
Distinct to strong with no internal reflections.
RL Bireflectance:
Strong.
RL Color:
Pale pink with a brown tint.
RL Pleochroism:
Brownish pink to light pink.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Pasavaite in Air
λ
R1
R 2
∑ R1 (λ)
∑ R2 (λ)
420 nm
46.80
38.90
440 nm
48.30
40.20
460 nm
49.60
41.60
470 nm
49.90
42.40
480 nm
50.20
42.70
500 nm
50.60
43.30
520 nm
51.30
43.80
540 nm
51.70
44.50
546 nm
51.80
44.60
560 nm
52.00
45.90
580 nm
52.20
45.40
589 nm
52.20
45.70
600 nm
52.20
46.00
620 nm
52.60
46.40
640 nm
52.70
46.60
650 nm
52.80
46.90
660 nm
52.90
47.10
680 nm
53.40
47.20
700 nm
53.70
47.40
Calculated Relative Intensity Colors of Pasavaite in Air
Relative Intensity
0%
30%
60%
90%
100%
120%
150%
180%
210%
220%
R1
R2
Calculated Properties of Pasavaite
Electron Density:
Bulk Density (Electron Density)=8.36 gm/cc note: Specific Gravity of Pasavaite =10.2 gm/cc.
Fermion Index:
Fermion Index = 0.18 Boson Index = 0.82
Photoelectric:
PEPasavaite = 965.81 barns/electronU=PEPasavaite x r Electron Density=8,070.85 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Pasavaite is Not Radioactive
Pasavaite Classification
Dana Class:
02.03.05.03 (02) Sulfides - Including Selenides and Tellurides
(02.03) where Am Bn Xp, with (m+n):p=5:2
(02.03.05) Shandite Group
02.03.05.01 Shandite Pb2Ni3S2 R 3 m 3 2/m
02.03.05.02 Rhodplumsite Pb2Rh3S2 R 3 m 3 2/m
02.03.05.03 Pasavaite ! Pd3Pb2Te2 Pmmn 2/m 2/m 2/m
Strunz Class:
02.BE.30 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
02.BE -With Pb(Bi)
02.BE.30 Pasavaite ! Pd3Pb2Te2 Pmmn 2/m 2/m 2/m
Other Pasavaite Information
References:
NAME( CanMin, v47:53) PHYS. PROP.(CanMin, v47:53) OPTIC PROP.(CanMin, v47:53)
See Also:
Links to other databases for Pasavaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
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Pasavaite
Pd3Pb2Te2
Dana No: 02.03.05.03 Strunz No: 02.BE.30
Locality:
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