Padmaite Mineral Data

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:

Compare ullmannite.

IMA Status:

Approved IMA 1991

Locality:

Link to MinDat.org Location Data.

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.

Diaphaniety:

Opaque

Hardness:

3-4 - Calcite-Fluorite

Luster:

Metallic

Calculated Properties of Padmaite

Electron Density:

r_electron=8.08 gm/cc
note: r_Padmaite=9.77 gm/cc.

Fermion Index

Fermion Index = 0.07547
Boson Index = 0.92453

Photoelectric:

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

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Padmaite is Not Radioactive

Padmaite Classification

Dana Class:

2.12.3.10 (2)Sulfides - Including Selenides and Tellurides

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

(2.12.3)Cobaltite Group (Cubic or pseudocubic crystals)

2.12.3.1 Cobaltite CoAsS P ca2₁ mm2

2.12.3.2 Gersdorffite NiAsS P 2₁3 2 3

2.12.3.3 Ullmannite NiSbS P 2₁3 2 3

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

2.12.3.5 Tolovkite IrSbS P 2₁3 2 3

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

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

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

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

2.12.3.10 Padmaite PdBiSe P 2₁3 2 3

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

2.12.3.12 Maslovite PtBiTe P 2₁3 2 3

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

2.12.3.14 Changchengite! IrBiS P 2₁3 2 3

2.12.3.15 Milotaite! PdSbSe P 2₁/3 2 3

2.12.3.16 IMA2004-047! PdAsSe Pa3 4/m 2/m 2/m

Strunz Class:

II/D.17-175 II - Sulfides and sulphosalts

II/D - Sulfides with metal: sulfur, selenium and tellurium < 1:1, Tellurides with Copper, Silver, Gold

II/D.17 - Pyrite group and related compounds, Fukuchilite - Micherenite

II/D.17-10 Fukuchilite Cu3FeS8 P a3 2/m 3

II/D.17-20 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3

II/D.17-30 Pyrite FeS2 P a3 2/m 3

II/D.17-40 Cattierite CoS2 P a3 2/m 3

II/D.17-50 Vaesite NiS2 P a3 2/m 3

II/D.17-60 Hauerite MnS2 P a3 2/m 3

II/D.17-65 Dzharkenite FeSe2 P a3 2/m 3

II/D.17-70 Krutaite CuSe2 P a3 2/m 3

II/D.17-80 Trogtalite CoSe2 P a3 2/m 3

II/D.17-90 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3

II/D.17-100 Laurite RuS2 P a3 2/m 3

II/D.17-110 Erlichmanite OsS2 P a3 2/m 3

II/D.17-120 Sperrylite PtAs2 P a3 2/m 3

II/D.17-130 Aurostibite AuSb2 P a3 2/m 3

II/D.17-140 Geversite Pt(Sb,Bi)2 P a3 2/m 3

II/D.17-150 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3

II/D.17-153 Changchengite! IrBiS P 2₁3 2 3

II/D.17-155 Mayingite IrBiTe P a3 2/m 3

II/D.17-160 Maslovite PtBiTe P 2₁3 2 3

II/D.17-170 Testibiopalladite PdTe(Sb,Te) P 2₁3 2 3

II/D.17-175 Padmaite PdBiSe P 2₁3 2 3

II/D.17-180 Michenerite (Pd,Pt)BiTe P 2₁3 2 3

Other Padmaite Information

References:

NAME( Fleischer95) 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 -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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Padmaite

PdBiSe
Dana No: 2.12.3.10 Strunz No: II/D.17-175
Locality:

Notes: