Bleached Shell

Sell value
Merchants buy for 25 Gold. However, bleached shells are highly valuable because of their rarity; this author has seen the price at over 1 platinum per shell, so are very much worth keeping.

What drops it

 * Sand Wurm (Crystal Desert)
 * Siege Wurm (Dunes of Despair)

What it salvages into

 * 5 Shells

Armor Collectors

 * Ardenoth Oakenshield (Amnoon Oasis)

Weapon and Charm Collectors

 * Lord Dorn Lendrigen (The Scar)