Fe2SiO4 — Properties & Data | MatWorld

Fe2SiO4

Name: Fe2SiO4
Brand: MatWorld

ceramic

· Fe2SiO4

Fe2SiO4 (fayalite) is an iron silicate ceramic belonging to the olivine family of mineral phases. It forms naturally as a constituent in iron-rich rocks and is of primary interest in high-temperature materials science and metallurgical slag systems, where it contributes to melt behavior and refractory performance. The material is notable for its thermal stability and presence in ironmaking byproducts, making it relevant to process optimization rather than as a primary structural ceramic in most engineering applications.

refractory materialsmetallurgical slag systemsiron extraction and steelmakinghigh-temperature ceramicsmineral phase research

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.438	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000102	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000101	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-15.07	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-15.08	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.1528	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-1.781	eV/atom	DFT · OptB88vdW
↳	-2.178	eV/atom	Measured

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Fe2SiO4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental