Rubidium

 is a rare Research and Development material. It is a rare crystalline metallic ore that has multiple engineering uses. Rubidium breaks down quickly once mined, so it must be processed quickly.

Chance to drop from:
 * Queue R&D Material Reward Packages
 * Exploration duty officer assignments
 * Admiralty assignments rewarding Rare material packs.

Usage

 * See more: List of craftable components.

Rubidium is used in crafting components needed to fabricate various items. See crafting school in the table below for details on requirements and craftable items.