Crucible
Crucible can be used for sapphire crystal growth and rare-earth melting due to their high-temperature resistance, low pollution, and other excellent characteristics.
![crucible](https://prochemmart.com/c/12-category_default/crucible.jpg)
Crucible can be used for sapphire crystal growth and rare-earth melting due to their high-temperature resistance, low pollution, and other excellent characteristics.