noun
- a blue to violet aluminum borosilicate mineral used as a gemstone and in ceramics
Usage: mineralogy
Examples
- The jeweler set a beautiful dumortierite cabochon in the silver ring.
- Dumortierite is prized for its deep blue color in gemstone collections.
- The ceramic artist added dumortierite powder to create a distinctive blue glaze.
- Geologists found dumortierite crystals embedded in the quartz matrix.
- The mineral specimen displayed excellent dumortierite formations.
- Dumortierite is sometimes confused with sodalite due to their similar blue hues.