Ferdisilicite Mineral Data (original) (raw)

General Ferdisilicite Information

Help on Chemical Formula: Chemical Formula:

FeSi2

Help on Composition: Composition:

Molecular Weight = 112.02 gm

Iron 49.86 % Fe

Silicon 50.14 % Si

______

100.00 %

Help on Empirical Formula: Empirical Formula:

Fe0+Si2

Help on Environment: Environment:

Found in heavy mineral concentrates from placers and in drill-core samples of sandstones of the Poltava series.

Help on IMA Status: IMA Status:

Not Approved IMA - Published without Approval 1969

Help on Locality: Locality:

Zachativsk station, Donets region, Russia. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Name for the chemical composition (Ferrous and two (di) Silicide).

Help on Name Pronunciation: Name Pronunciation:

Ferdisilicite + Pronunciation Say FERDISILICITE

Help on Synonym: Synonym:

ICSD 42562

PDF 35-822

Ferdisilicite Image

Click Here for Larger Ferdisilicite Image in a New Browser Window Images:

Ferdisilicite Crystallography

Help on Axial Ratios: Axial Ratios:

a:c = 1:1.88847

Help on Cell Dimensions: Cell Dimensions:

a = 2.69, c = 5.08, Z = 1; V = 36.76 Den(Calc)= 5.06

Help on Crystal System: Crystal System:

Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/mmm

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 1.089(1), 1.846(1), 2.371(0.9),

Physical Properties of Ferdisilicite

Help on Cleavage: Cleavage:

None

Help on Color: Color:

Steel gray.

Help on Density: Density:

5.05

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Fracture: Fracture:

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

Help on Hardness: Hardness:

6.5 - Pyrite

Help on Luster: Luster:

Metallic

Help on Streak: Streak:

black

Calculated Properties of Ferdisilicite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=4.88 gm/cc
note: Specific Gravity of Ferdisilicite =5.06 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.03
Boson Index = 0.97

Help on Photoelectric: Photoelectric:

PEFerdisilicite = 16.68 barns/electron
U=PEFerdisilicite x rElectron Density= 81.35 barns/cc.

Help on Radioactivity: Radioactivity:

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

Ferdisilicite Classification

Help on Dana Class: Dana Class:

02.00.00.00 (02)Sulfide Minerals

(02.00)Without Dana Classification Numbers

(02.00.00)Silicide

02.00.00.00 Argentite* Ag2S I m3m 4/m 3 2/m

02.00.00.00 Bayankhanite? Cu6HgS4 Unk Hex

02.00.00.00 Bismutoplagionite* 5PbS.4Bi2S3 Unk Ortho

02.00.00.00 Bravoite? (Fe,Ni,Co)S2 P a3 2/m 3

02.00.00.00 Colimaite K3VS4 P nma 2/m 2/m 2/m

02.00.00.00 Dayingite* CuCoPtS4 F m3m 4/m 3 2/m

02.00.00.00 Dilithium* Li2Te P 222 2 2 2

02.00.00.00 Dzhezkazganite* (Pb,Cu,Rh)S2(?) P a3? 2/m 3

02.00.00.00 Ferdisilicite* FeSi2 P 4/mmm 4/m 2/m 2/m

02.00.00.00 Fersilicite* FeSi P 213 2 3

02.00.00.00 Horobetsuite* (Bi,Sb)2S3 Pbnm 2/m 2/m 2/m

02.00.00.00 Horomanite Fe6Ni3S8 P 4/mmm 4mm

02.00.00.00 Imgreite? NiTe P 63/mmc 6/m 2/m 2/m

02.00.00.00 Iridisite* (Ir,Cu,Rh,Ni,Pt)S2 Unk Cubic

02.00.00.00 Isochalcopyrite? Cu8Fe9S16 Unk Cubic

02.00.00.00 Jaipurite* CoS P 63/mmc 6/m 2/m 2/m

02.00.00.00 Kitaibelite? Ag10PbBi30S51 Mono ? Mono

02.00.00.00 Kurilite? (Ag,Au)2(Te,Se,S) P m3n,P 43n Cubic

02.00.00.00 Plumosite* Pb2Sb2S5 Mono

02.00.00.00 Protojoseite* Bi4TeS2(?) R 3m 3 2/m

02.00.00.00 Samaniite Cu2Fe5Ni2S8 P 41/mmm 4mm

02.00.00.00 Stibioenargite* Cu3(Sb,As)S4 Unk Ortho

02.00.00.00 Sztrokayite* Bi3TeS2 Trig ? Trig

02.00.00.00 Volfsonite* Cu10CuFeFe2Sn3S16 P 42m-,P 4212 Tetra

Help on Strunz Class: Strunz Class:

01.BB.20 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)

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

01.BB -Silicides

01.BB.20 Ferdisilicite* FeSi2 P 4/mmm 4/m 2/m 2/m

Other Ferdisilicite Information

Help on References: References:

NAME( AmMin, v54:1737) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

Help on See Also: See Also:

Links to other databases for Ferdisilicite :
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 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

Search for Ferdisilicite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Ferdisilicite :

A Bijoux Google Search for Ferdisilicite
Adam's Minerals Google Search for Ferdisilicite
Cape Minerals Google Search for Ferdisilicite
Dakota Matrix Minerals Google Search for Ferdisilicite
Excalibur Mineral Corp. Google Search for Ferdisilicite
Exceptional Minerals Google Search for Ferdisilicite
John Betts Fine Minerals Search for Ferdisilicite
McDougall Minerals Google Search for Ferdisilicite
Mineral News Website Link
Rock and Mineral Shows Google Search for Ferdisilicite
Weinrich Minerals, Inc. Google Search for Ferdisilicite

Ask about Ferdisilicite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espa�ol

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

Ferdisilicite

FeSi2
Dana No: 02.00.00.00 Strunz No: 01.BB.20
Locality:

Notes: