Perryite Mineral Data

Perryite Mineral Data +

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General Perryite Information

Chemical Formula:

(Ni,Fe)8(Si,P)3

Composition:

Molecular Weight = 550.26 gm

Iron 20.30 % Fe

Silicon 11.48 % Si

Nickel 64.00 % Ni

Phosphorus 4.22 % P

______

100.00 %

Empirical Formula:

Ni₆Fe⁰⁺₂Si_2.25P_0.75

IMA Status:

Approved IMA 1965

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 74516

PDF 17-222

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Perryite Crystallography

Axial Ratios:

a:c = 1:5.72018

Cell Dimensions:

a = 6.64, c = 37.982, Z = 12; V = 1,450.26 Den(Calc)= 7.56

Crystal System:

Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: R 3c

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

By Intensity(I/I_o): 1.924(1), 1.977(1), 2.15(0.65),

Physical Properties of Perryite

Color:

Gray white.

Diaphaniety:

Opaque

Luster:

Sub Metallic

Calculated Properties of Perryite

Electron Density:

r_electron=7.22 gm/cc
note: r_Perryite=7.56 gm/cc.

Fermion Index

Fermion Index = 0.01689
Boson Index = 0.98311

Photoelectric:

PE_Perryite= 32.64 barns/electron
U=PE_Perryite x r_electron= 235.63 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Perryite is Not Radioactive

Perryite Classification

Dana Class:

1.1.22.1 (1)Native Elements

(1.1)with metallic elements other than the platinum group

(1.1.22)Dana Group

1.1.22.1 Perryite (Ni,Fe)8(Si,P)3 R 3c 3m

Strunz Class:

I/A.12-10 I - Elements

I/A - Metallic and intermetallic compounds, Carbides, Nitrides, Phosphides and Silicides

I/A.12 - Perryite-Ferdisilicite series

I/A.12-10 Perryite (Ni,Fe)8(Si,P)3 R 3c 3m

I/A.12-20 Suessite (Fe,Ni)3Si I m3m 4/m 3 2/m

I/A.12-30 Gupeiite Fe3Si F m3m 4/m 3 2/m

I/A.12-35 Hapkeite! Fe2Si P m3m 4/m 3 2/m

I/A.12-40 Xifengite Fe5Si3 P 6₃/mcm 6/m 2/m 2/m

I/A.12-50 Fersilicite* FeSi P 2₁3 2 3

I/A.12-60 Ferdisilicite* FeSi2 P 4/mmm 4/m 2/m 2/m

Other Perryite Information

References:

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

See Also:

Links to other databases for Perryite :
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 - WWW-MINCRYST 13 -École des Mines de Paris

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Print or Cut-and-Paste your Perryite Specimen Label here :

Perryite

(Ni,Fe)8(Si,P)3
Dana No: 1.1.22.1 Strunz No: I/A.12-10
Locality:

Notes: