Ca2SiO4
larnite · dicalcium silicate, belite
Ca2SiO4 is a stable, insulating calcium silicate compound that serves as a vital structural component in modern cement and concrete production.
About larnite
Ca2SiO4 is a thermodynamically stable inorganic compound that exists as a wide-gap insulator. Its structural versatility is evidenced by the dozens of distinct crystal arrangements reported across scientific databases, reflecting its complex polymorphic nature under varying conditions. This compound serves as a fundamental building block in materials science, particularly within the study of silicate-based systems and high-temperature mineralogy. Its inherent stability makes it a critical subject for understanding phase transitions and chemical durability in solid-state materials. As a primary constituent of cement clinker, it is vital for the development of durable infrastructure and sustainable construction materials. Its insulating electronic character and robust structural framework allow it to maintain integrity in demanding industrial environments.
Key Properties
Cross-validated computational properties for larnite, aggregated across 4 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Synthesis Routes
Literature-extracted synthesis procedures targeting Ca2SiO4.
Applications
Where larnite is used.
Frequently Asked Questions
Common questions about larnite, answered from cross-validated data.
What is Ca2SiO4?
Ca2SiO4 is a stable, insulating calcium silicate compound that serves as a vital structural component in modern cement and concrete production.
What is Ca2SiO4 used for?
What is the band gap of Ca2SiO4?
Is Ca2SiO4 a metal, semiconductor, or insulator?
Is Ca2SiO4 thermodynamically stable?
How many polymorphs of Ca2SiO4 are known?
How is Ca2SiO4 synthesized?
What elements does Ca2SiO4 contain?
Where does the data for Ca2SiO4 come from?
How It Compares
As a foundational silicate, Ca2SiO4 occupies a central role in the study of calcium-rich mineral phases, serving as a benchmark for stability and structural complexity within its chemical family.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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