iolite

/ahy-uh-lahyt/US // ˈaɪ əˌlaɪt //UK // (ˈaɪəˌlaɪt) //

碘钨矿,碘钨矿石

Definitions

n.名词 noun

It is a pseudomorph after iolite, and consists mainly of hydrous aluminium silicate.
Iolite is a hydrous magnesium and aluminium silicate, with ferrous iron partially replacing magnesium.
Iolite, ī′o-līt, n. a transparent gem which presents a violet-blue colour when looked at in a certain direction.