Amethyst dust

Amethyst dust can be obtained by dismantling amethysts. It is also used to craft the following items:
 * Lesser glyph of Yrden
 * Lesser Stribog runestone
 * Ofieri boots
 * Ofieri sharovary
 * Ofieri scale armor
 * Order of the Flaming Rose sword
 * Sarrim

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 from the following merchants:


 * Fioravanti in Flotsam's town square (also sells diagram)
 * Vilmos Bartok in Flotsam (also sells the diagram)
 * Myron in the Kaedweni camp (also sells the diagram)
 * Relic peddler in the Kaedweni camp
 * Mottle outside Vergen
 * Felicia Cori in Vergen and Loc Muinne (also sells diagram)
 * Polycarp of Rinde in the Order of the Flaming Rose camp (also sells diagram)
 * The Incredible Lockhart in Loc Muinne (also sells diagram)
 * Marcus in Loc Muinne
 * Falas in Loc Muinne (also sells diagram)

It can also be crafted and finally, it can itself be used to craft the following items:

Traps

 * Talgar winter

Armor enhancements

 * Amethyst armor enhancement

Swords
Amethyststaub Poussière d'améthystes Polvere di ametista Ametystowy pył