Veiled Crystal is a Rare crafting material in Diablo III, obtained by using the Blacksmith to salvage rare weapons and armor. Each rare item salvaged will yield 1 Veiled Crystal.
They can be stacked up to a maximum of 5000. Veiled Crystal is account bound. It is used in crafting rare, legendary, and set items, as well as enchanting and transmutations.
Monsters and objects may occasionally drop a Veiled Crystal, with monsters in Nephalem Rifts, as well as Treasure Goblins and Horadric Caches, having a higher chance to do so.