periclase
/ˈpɛrɪkleɪs/
noun
- A white or grayish mineral made of magnesium oxide, found in some rocks and used in making heat-resistant materials.
- Miners extracted periclase from the ancient limestone deposits.
- The geologist identified periclase in the sample of metamorphic rock.
- Periclase is often used in the production of refractory bricks for furnaces.
Synonyms