Ruby

Ruby is a raw material commonly found throughout the Grand Reef and the Sea Treader's Path. According to its description, it is used for heat and electricity conduction.

Appearance
Ruby appears as a white rock with four short bright red spikes, similarly to real world rubies.

Trivia

 * The former name for Ruby was Aluminum Oxide Crystal.
 * Ruby is a form of aluminum oxide, which the Ruby shares its original name with. This is also mentioned in the item's description, as a chemical formula.