vivianite

/viv-ee-uh-nahyt/US // ˈvɪv i əˌnaɪt //

薇薇安石,维维安石,薇莲石,薇薇安矿

Definitions

n.名词 noun

1
- : a secondary mineral, hydrous ferrous phosphate, Fe32⋅8H2O, occurring in the form of pale blue crystals or powder.