MgSiH2O4 — Properties & Data | MatWorld

MgSiH2O4

ceramic

· JVASP-91628· MgSiH2O4

MgSiH2O4 is a magnesium silicate hydrate ceramic compound, a member of the layered silicate family commonly found in naturally occurring minerals and engineered compositions. This material is primarily used in lightweight structural applications, thermal insulation systems, and specialty ceramics where the combination of low density with stiffness is advantageous. The hydrated silicate structure makes it notable for applications requiring moderate thermal stability and chemical durability, though it is sensitive to dehydration; engineers typically select it over anhydrous silicates when moisture resistance and workability during processing are design priorities.

lightweight insulation systemsceramic composites and fillersrefractory applicationsmineral-based coatingsresearch ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	155.5	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1900	-	DFT · OptB88vdW
Shear Modulus(G)	124.1	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.331	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	5.227	eV	DFT · OptB88vdW
↳	6.654	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.156	-	DFT · OptB88vdW
↳	2.675	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	DFT · TBmBJ

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1148	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.159	eV/atom	DFT · OptB88vdW

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.

MgSiH2O4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental