What does "sillimanite" mean?

A fibrous neosilicate mineral, polymorphic with andalusite and kyanite, with the chemical formula Al₂SiO₅.

What is a synonym for "sillimanite"?

Common synonyms include: ceylonite.

noun

noun ·Rare ·Advanced level

Noun

1
A fibrous neosilicate mineral, polymorphic with andalusite and kyanite, with the chemical formula Al₂SiO₅. countable, uncountable

From Silliman + -ite. Named after American chemist and geologist Benjamin Silliman (1779-1864) in 1824.