Michenerite Mineral Data

Michenerite Mineral Data +

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General Michenerite Information

Chemical Formula:

(Pd,Pt)BiTe

Composition:

Molecular Weight = 465.17 gm

Bismuth 44.93 % Bi

Tellurium 27.43 % Te

Palladium 17.16 % Pd

Platinum 10.48 % Pt

______

100.00 %

Empirical Formula:

Pd_0.75Pt_0.25BiTe

Environment:

A principle palladium minera in Cu-Ni sulfide deposits.

IMA Status:

Valid Species (Pre-IMA) 1958

Locality:

Frood mine, McKim Township, Sudbury district, Ontario, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for C. E. Michener, who discovered the mineral.

Synonym:

ICSD 40050

PDF 26-92

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Michenerite Crystallography

Cell Dimensions:

a = 6.646, Z = 4; V = 293.55 Den(Calc)= 10.52

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): 2.003(1), 2.97(1), 1.778(0.8),

Crystal Structure:

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Childs J D , Hall S R , The Canadian Mineralogist , 12 (1973) p.61-65, The crystal structure of michenerite, PdBiTe

Physical Properties of Michenerite

Cleavage:

None

Color:

Silver white.

Density:

9.5

Diaphaniety:

Opaque

Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Hardness:

2.5 - Finger Nail

Luster:

Metallic

Streak:

black

Optical Properties of Michenerite

RL Color:

Cream-white with a tinge of gray.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Michenerite in Air**
λ	R	∑ R(λ)
400 nm	55.40
420 nm	55.80
440 nm	56.20
460 nm	56.40
480 nm	56.60
500 nm	57.00
520 nm	57.60
540 nm	58.20
560 nm	58.70
580 nm	59.20
600 nm	59.80
620 nm	60.40
640 nm	60.80
660 nm	61.30
680 nm	61.60
700 nm	62.20

**Calculated Relative Intensity Colors of Michenerite in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	160%
R

Calculated Properties of Michenerite

Electron Density:

r_electron=8.55 gm/cc
note: r_Michenerite=10.5 gm/cc.

Fermion Index

Fermion Index = 0.09567
Boson Index = 0.90433

Photoelectric:

PE_Michenerite=1,204.53 barns/electron
U=PE_Michenerite x r_electron=10297.20 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Michenerite is Not Radioactive

Michenerite Classification

Dana Class:

2.12.3.11 (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.17-180 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 Michenerite Information

References:

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

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Michenerite

(Pd,Pt)BiTe
Dana No: 2.12.3.11 Strunz No: II/D.17-180
Locality:

Notes: