Vision Dust

Vision Dust is the essence of magic in powdered form.

Source
This dust is obtained by disenchanting items level 36-45, and comes mostly from armor.

Enchanting

 * Enchant 2H Weapon - Impact
 * Enchant Boots - Stamina
 * Enchant Bracer - Greater Spirit
 * Enchant Bracer - Strength
 * Enchant Chest - Lesser Stats
 * Enchant Chest - Superior Health
 * Enchant Cloak - Greater Defense
 * Enchant Gloves - Advanced Herbalism
 * Enchant Gloves - Advanced Mining
 * Enchant Gloves - Agility
 * Enchant Gloves - Skinning
 * Enchant Gloves - Strength
 * Enchant Shield - Lesser Block
 * Enchant Shield - Spirit
 * Enchant Shield - Stamina
 * Enchant Weapon - Winter's Might
 * Greater Mystic Wand
 * Lesser Wizard Oil
 * Runed Truesilver Rod

Tailoring

 * Enchanted Mageweave Pouch

Jewelcrafting

 * Figurine - Jade Owl