Siderazot Mineral Data

General Siderazot Information

Chemical Formula:

Fe5N2

Composition:

Molecular Weight = 307.25 gm

Iron 90.88 % Fe

Nitrogen 9.12 % N

______

100.00 %

Empirical Formula:

Fe⁰⁺₅N₂

Environment:

Thin coating on lava.

IMA Status:

Valid Species (Pre-IMA) 1876

Locality:

Mt. Etna and Mt. Vesuvius, Italy. Link to MinDat.org Location Data.

Name Origin:

Named for its composition (Greek, "sideros" = iron).

Name Pronunciation:

Siderazot + Pronunciation

Synonym:

ICSD 79983

PDF 3-925

Siderazot Image

Images:

Siderazot

Comments: Bluish siderazot coatings on scoria lava rock.
Location: Eruption of 1941, Vesuvius, Campania, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Siderazot Crystallography

Axial Ratios:

a:c = 1:0.93394

Cell Dimensions:

a = 4.678, c = 4.369, Z = 0.5; V = 82.80 Den(Calc)= 3.08

Crystal System:

Hexagonal - Trapezohedral H-M Symbol (6 2 2) Space Group: P 6₃22

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

By Intensity(I/I_o): 2.34(1), 2.19(1), 2.06(1),1.59(1), 1.34(1), 1.24(1), 1.15(1), 1.13(1),

Physical Properties of Siderazot

Color:

Silver white.

Density:

3.147

Diaphaneity:

Opaque

Habit:

Encrustations - Forms crust-like aggregates on matrix.

Habit:

Thin - Flat dimensioned crystals.

Luster:

Metallic

Calculated Properties of Siderazot

Electron Density:

Bulk Density (Electron Density)=2.89 gm/cc
note: Specific Gravity of Siderazot =3.08 gm/cc.

Fermion Index:

Fermion Index = 0.11
Boson Index = 0.89

Photoelectric:

PE_Siderazot= 28.04 barns/electron
U=PE_Siderazot x rElectron Density= 80.96 barns/cc.

Radioactivity:

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

Siderazot Classification

Dana Class:

01.01.18.01 (01)Native Elements

(01.01)with metallic elements other than the platinum group

(01.01.18)Dana Group

01.01.18.01 Siderazot Fe5N2 P 6₃22 6 2 2

01.01.18.02 Roaldite (Fe,Ni)4N P 43m 4 3m

Strunz Class:

01.BC.10 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)

01.B - Metallic Carbides, Silicides, Nitrides and Phosphides

01.BC -Nitrides

01.BC.10 Siderazot Fe5N2 P 6₃22 6 2 2

Other Siderazot Information

References:

NAME( Dana8) PHYS. PROP.(Dana8)

See Also:

Links to other databases for Siderazot :
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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Siderazot

Fe5N2
Dana No: 01.01.18.01 Strunz No: 01.BC.10
Locality:

Notes:

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