witherite
/ˈwɪðəraɪt/
noun
- A white or gray mineral consisting of barium carbonate, used in the production of barium compounds and in the ceramics industry.
- Geologists identified the sample as witherite because of its high density and crystal shape.
- The miners discovered a large vein of witherite in the old quarry.
- Witherite is often used to make specialty glass and glazes for pottery.