Arcanite is a potassium sulfate mineral. It was first described in 1845 for an occurrence in old pine railroad ties in the Santa Ana tin mine, Trabuco Canyon. It has recently been used in name by the video game “World of Warcraft” as a crafting reagent. Now you too can create your own “Thunderfury, Blessed Blade of the Windseeker”.All minerals and stones vary in size and shape. You will receive a high quality specimen of the selected item but not the exact one pictured. All minerals, gems, stones and fossils are guaranteed to be top quality; sourced from ethical vendors around the world.