Rubedo

"A jagged crytalline [sic] ore. Gives off radiant energy."

- In-Game Description

Rubedo is an uncommon component that can be found on Earth, Pluto, Europa and Sedna regions. It is usually found in quantities of 10 to 50. Although Rubedo is an uncommon resource, most recipes that use it require extremely large amounts, making it one of the resources you will have to spend the most time on farming.

Gathering Tips
These are based on opinions and may not be 100% true. These should be viewed as advice for finding the materials until better facts are proven.


 * Earth major looting locations include Oro, Pacific, and Gaia. They drop in the normal quantities. The infected maps seem to be best for farming as the vast amount of enemies thrown at you can be killed and farmed for rubedo along with the chests around the map.


 * The Europa map, Valefor, drops a high amount of rubedo but requires higher level than Earth maps.


 * The most productive way of farming Rubedo and Alloy Plate--regarded as two of the most farm-intensive resources--is in Sedna with a full party in the mobile defence mission on Kappa. Hordes of enemies appear during a 4 player run--bringing with them many materials/mods and xp earnings. It is recommended to include a Nyx in your team and/or frames with AOE abilities to speed up the process. Another good team build is with a Frost and Banshee. Have Frost drop a Snow Globe around the Data Terminal to prevent enemy fire and to slow down any Grineer and Rollers that march up to the Terminal. Banshee with maxed Focus and Reach mods can spam Sound Quake, effectively clearing out whole rooms, as energy is not really a problem with the large amounts of drops that occur.