All items that can be salvaged for Rubies are in this category.
“Location: Resplendent Makuun, inside Prince Bokka the Magnificent's palace near the portal to...Geode
“Roaring Ether Hearts are salvage items dropped by Roaring Ethers. Roaring EtherRoaring Ether Heart
“Location: The Alkali Pan, on a rocky outcropping northwest of the Bone Palace Collecting: 5 Ruby...Ruby Djinn Essence