rossite
/ˈrɒsʌɪt/Mineralogy
noun
A rare yellow mineral containing vanadium, typically occurring in glassy masses on sandstones containing carnotite.
- Rossite is hydrated calcium vanadate, CaV2O6.4H2O. Crystal system: triclinic..
Origin
1920s. From the name of Clarence Samuel Ross, U.S. geologist + -ite.