swartzite
/ˈswɔrtsaɪt/Definitions
1. noun
A rare mineral species of the barite group, with a chemical composition of PbSO4·(V2O7)
“The geologist carefully examined the swartzite crystal formation.”
2. proper noun
A geological term named after the scientist who discovered the mineral
“The new discovery of swartzite led to a significant breakthrough in the field of geology.”