siberite

[ sahy-beer-ahyt, sahy-buh-rahyt ]
/ saɪˈbɪər aɪt, ˈsaɪ bəˌraɪt /

noun

a violet or violet-red tourmaline, used as a gem.

Origin of siberite

1795–1805; < French sibérite, after Sibérie Siberia; see -ite1