Sauroshell Egg Yolk

 is an egg.

Obtaining

 * Dropped by
 * 
 * Reward
 * Vulkanian Shplinter for Tourists

Uses

 * Used in the craft of
 * Perfect Little Vulkanian Backpack
 * Vulkanian Boots
 * Vulkanian Bracelet
 * Vulkanian Hat
 * Vulkanian Ring