noun
- a blue to violet mineral consisting of magnesium, iron, aluminum, and silicate, used in ceramics and as a gemstone
Usage: mineralogy
Examples
- The geologist identified cordierite crystals in the metamorphic rock sample.
- Cordierite is prized for its heat resistance in ceramic applications.
- The jeweler cut the cordierite into a beautiful violet gemstone.
- High-temperature kilns often use cordierite shelves because of their thermal stability.
- The mineral cordierite exhibits pleochroism, showing different colors from different angles.
- Cordierite ceramics are commonly used in automotive catalytic converters.