IOLITE
Source: 567
I″o‐lite (ī″ō̍‐līt), n. [[Gr. ἴον a violet + -lite.]] (Min.) A silicate of alumina, iron, and magnesia, having a bright blue color and vitreous luster; cordierite. It is remarkable for its dichroism, and is also called dichroite.
Source: 567
I″o‐lite (ī″ō̍‐līt), n. [[Gr. ἴον a violet + -lite.]] (Min.) A silicate of alumina, iron, and magnesia, having a bright blue color and vitreous luster; cordierite. It is remarkable for its dichroism, and is also called dichroite.