/spoj"oo meen'/ , n.
a mineral, lithium aluminum silicate, LiAlSi 2 O 6 , occurring in prismatic crystals, transparent varieties being used as gems.
[ 1795-1805; spodumène Spodumen spodoúmenos, prp. of spodoûsthai to be burned to ashes (deriv. of spodós wood ash) ]