Ruby (Subnautica)

Aluminum Oxide Crystal 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
Aluminum Oxide Crystal 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.