| M Formula: | ZrO2 |
| Properties: | |
| Black, brown, yellow to colorless; streak white, luster submetallic to vitreous to greasy. D5.5–6.0, mp 2500–2950C. Highly resistant to chemicals. | |
| Grade: | |
| Crude (53%, 73–75%), purified (98%). | |
| Occurrence: | |
| Brazil, Ceylon. | |
| Use: | |
| Corrosion- and heat-resistant applications, source zirconium. | |