Amethyst dust

 can be looted various places beginning in the Prologue, or from the corpses of bruxae, drowners, wraiths, the draug, arachas, draugir, gargoyles, fire and earth elementals. It can also be purchased or crafted and finally, it can itself be used to craft the following items:

Other crafting components

 * Elemental stone
 * Essence of water
 * Sun rune

Traps

 * Talgar winter

Armor enhancements

 * Amethyst armor enhancement

Swords

 * Blue meteorite sword
 * Red meteorite sword
 * Robust blue meteorite sword
 * Robust red meteorite sword
 * Robust yellow meteorite sword
 * Superb blue meteorite sword
 * Superb red meteorite sword
 * Superb yellow meteorite sword
 * Yellow meteorite sword

Amethyststaub Poussière d'améthystes Polvere di ametista