Emerald dust

Emerald dust can be dropped by some creatures or obtained by dismantling jewelry or emeralds, something like silver emerald rings. It is also used to craft the following items:
 * Lesser glyph of Axii
 * Oathbreaker armor
 * Ofieri gauntlets
 * Ofieri scale armor
 * Viper silver sword
 * Viper steel sword
 * Viper venomous steel sword