spodumene

/spoj-oo-meen/US // ˈspɒdʒ ʊˌmin //UK // (ˈspɒdjʊˌmiːn) //

疏疏米,疏疏米亚,疏疏米粒,疏疏米米

Definitions

n.名词 noun

1
- : a mineral, lithium aluminum silicate, LiAlSi2O6, occurring in prismatic crystals, transparent varieties being used as gems.

The stone was said to be spodumene, of a very high class, and had a a lilac tint theretofore unknown.
Spodumene gems always are found in pockets in the rock, and they are always hidden in wet clay in these pockets.
In 1881 J. Lawrence Smith proved it to be spodumene, and named it.
After quartz come corundum (Oriental amethyst), spinel (almandine spinel), garnet (almandine), and spodumene (variety kunzite).
Purple spodumene (kunzite) is pinkish to lilac in shade—usually pale, unless in large masses, and it shows very marked dichroism.