eucryptite

[ yoo-krip-tahyt ]
/ yuˈkrɪp taɪt /

noun

a mineral, lithium aluminum silicate, LiAlSiO4, occurring in colorless to white hexagonal crystals: used as a source of lithium.

Origin of eucryptite

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019