spodumene

noun

1. (countable, uncountable)The mineral lithium aluminium inosilicate (LiAl(SiO₃)₂), a pyroxene and ore of lithium, sometimes regarded as a gemstone, which may be greenish, yellowish or pinkish in appearance.

   “The individual characters of the several minerals produced from the change of the spodumene have already been given, and something has been said as to their mutual relations;[…].”

   “Two coexisting spodumenes occurred in sample A, one with high, the other with low, sodium content.”

   “Spodumene alone was found to be too refractory to produce vitrification at cone 11.”