Fersilicite Mineral Data

Fersilicite Mineral Data
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General Fersilicite Information

Help on Chemical Formula: Chemical Formula: FeSi
Help on Composition: Composition: Molecular Weight = 83.93 gm
   Iron     66.54 %  Fe
   Silicon  33.46 %  Si
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Fe0+Si
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 Silicide).
Help on Name Pronunciation: Name Pronunciation: Fersilicite + Pronunciation Say FERSILICITE
Help on Synonym: Synonym: ICSD 402761
  PDF 22-632
 

Fersilicite Image

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

Comments: Reflected light image of cream white grain of xifengite (Xi) with exsolution of white gupeiite (Gu) and grey fersilicite (Fe). Epoxy grain mount.
Location: Isovskaya Field, Priasovje, Ukraine. Scale: Picture Size 0.7 mm.
© Thomas Witzke

Fersilicite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 4.48, Z = 4; V = 89.92 Den(Calc)= 6.20
Help on Crystal System: Crystal System: Isometric - TetartoidalH-M Symbol (2 3) Space Group: P 213
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.196(1), 1.991(1), 1.817(0.9),
 

Physical Properties of Fersilicite

Help on Cleavage: Cleavage: None
Help on Color: Color: Tin white.
Help on Density: Density: 5.95
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: grayish black
 

Optical Properties of Fersilicite

Help on RL Color: RL Color: Tin white.
 

Calculated Properties of Fersilicite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.91 gm/cc
note: Specific Gravity of Fersilicite =6.20 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEFersilicite = 21.34 barns/electron
U=PEFersilicite x rElectron Density= 126.12 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Fersilicite is Not Radioactive
 

Fersilicite 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.15 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.15 Fersilicite* FeSi P 213 2 3
 

Other Fersilicite 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 Fersilicite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - MinMax(Deutsch)
9 - MinMax(English)
10 - Mineralienatlas (Deutsch)
11 - QUT Mineral Atlas
12 - Ruff.Info

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Fersilicite

FeSi
Dana No: 02.00.00.00 Strunz No: 01.BB.15
Locality:

 

Notes: