However, it's important to note that:

* This is the melting point of pure silica (SiO2). Silica crucibles may contain other materials to improve their properties, which can slightly alter the melting point.

* The exact melting point can vary depending on the purity and composition of the silica.

* Silica crucibles can start to soften and deform at temperatures below their melting point.

For more accurate information about a specific silica crucible, consult the manufacturer's datasheet or technical specifications.