Padmaite Mineral Data

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General Padmaite Information

Chemical Formula:

PdBiSe

Composition:

Molecular Weight = 394.36 gm

Bismuth 52.99 % Bi

Palladium 26.99 % Pd

Selenium 20.02 % Se

______

100.00 %

Empirical Formula:

PdBiSe

Environment:

Found in metamorphosed shales. Compare ullmannite.

IMA Status:

Approved IMA 1991

Locality:

Padma river, Karlia, Russa. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Padmaite

Synonym:

IMA1990-048

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Padmaite Crystallography

Cell Dimensions:

a = 6.448, Z = 4; V = 268.09 Den(Calc)= 9.77

Crystal System:

Isometric - TetartoidalH-M Symbol (2 3) Space Group: P 2₁3

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

By Intensity(I/I_o): 2.89(1), 1.943(0.9), 2.63(0.9),

Physical Properties of Padmaite

Color:

Yellow.

Diaphaneity:

Opaque

Hardness:

3-4 - Calcite-Fluorite

Luster:

Metallic

Calculated Properties of Padmaite

Electron Density:

Bulk Density (Electron Density)=8.08 gm/cc
note: Specific Gravity of Padmaite =9.77 gm/cc.

Fermion Index:

Fermion Index = 0.07
Boson Index = 0.93

Photoelectric:

PE_Padmaite=1,116.91 barns/electron
U=PE_Padmaite x rElectron Density=9,020.61 barns/cc.

Radioactivity:

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

Padmaite Classification

Dana Class:

02.12.03.10 (02)Sulfides - Including Selenides and Tellurides

(02.12)where Am Bn Xp, with (m+n):p=1:2

(02.12.03)Cobaltite Group (Cubic or pseudocubic crystals)

02.12.03.01 Cobaltite CoAsS P ca2₁ mm2

02.12.03.02 Gersdorffite NiAsS P 2₁3 2 3

02.12.03.03 Ullmannite NiSbS P 2₁3 2 3

02.12.03.04 Willyamite (Co,Ni)SbS P 2₁3 2 3

02.12.03.05 Tolovkite IrSbS P 2₁3 2 3

02.12.03.06 Platarsite (Pt,Rh,Ru)AsS P a3 2/m 3

02.12.03.07 Irarsite (Ir,Ru,Rh,Pt)AsS P a3 2/m 3

02.12.03.08 Hollingworthite (Rh,Pt,Pd)AsS P a3 2/m 3

02.12.03.09 Jolliffeite (Ni,Co)AsSe P a3 2/m 3

02.12.03.10 Padmaite PdBiSe P 2₁3 2 3

02.12.03.11 Michenerite (Pd,Pt)BiTe P 2₁3 2 3

02.12.03.12 Maslovite PtBiTe P 2₁3 2 3

02.12.03.13 Testibiopalladite PdTe(Sb,Te) P 2₁3 2 3

02.12.03.14 Changchengite! IrBiS P 2₁3 2 3

02.12.03.15 Milotaite! PdSbSe P 2₁/3 2 3

02.12.03.16 Kalungaite! PdAsSe Pa3 2/m 3

Strunz Class:

02.EB.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.E - Metal Sulfides, M:S £ 1:2

02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc.

02.EB.25 Cobaltite CoAsS P ca2₁ mm2

02.EB.25 Changchengite! IrBiS P 2₁3 2 3

02.EB.25 Hollingworthite (Rh,Pt,Pd)AsS P a3 2/m 3

02.EB.25 Gersdorffite NiAsS P 2₁3 2 3

02.EB.25 Irarsite (Ir,Ru,Rh,Pt)AsS P a3 2/m 3

02.EB.25 Jolliffeite (Ni,Co)AsSe P a3 2/m 3

02.EB.25 Krutovite NiAs2 P a3 2/m 3

02.EB.25 Michenerite (Pd,Pt)BiTe P 2₁3 2 3

02.EB.25 Maslovite PtBiTe P 2₁3 2 3

02.EB.25 Mayingite IrBiTe P a3 2/m 3

02.EB.25 Padmaite PdBiSe P 2₁3 2 3

02.EB.25 Platarsite (Pt,Rh,Ru)AsS P a3 2/m 3

02.EB.25 Ullmannite NiSbS P 2₁3 2 3

02.EB.25 Tolovkite IrSbS P 2₁3 2 3

02.EB.25 Testibiopalladite PdTe(Sb,Te) P 2₁3 2 3

02.EB.25 Willyamite (Co,Ni)SbS P 2₁3 2 3

02.EB.25 Kalungaite! PdAsSe Pa3 2/m 3

02.EB.25 Milotaite! PdSbSe P 2₁/3 2 3

Other Padmaite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Am.Min.,Vol.78,p451,1993)

See Also:

Links to other databases for Padmaite :
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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Print or Cut-and-Paste your Padmaite Specimen Label here :

Padmaite

PdBiSe
Dana No: 02.12.03.10 Strunz No: 02.EB.25
Locality:

Notes: