weddellite
noun
wed·dell·ite
| \ wəˈdeˌlīt, ˈwedᵊlˌīt\
plural -s
Definition of weddellite
: a mineral CaC2O4.2H2O consisting of hydrous oxalate of calcium that is polymorphous with whewellite and is found as tiny isolated crystals in mud at the bottom of the Weddell sea, Antarctica
Keep scrolling for more