Oxium

"Oxium is a rare lighter than air alloy of Orokin origin."

- In-Game Description

Oxium is an uncommon component. Dropped by the uncommon enemy unit Oxium Osprey with a perfect drop rate, it can be found in quantities of 7-12 and will only drop if the Osprey is killed before it destroys itself by charging against the player, an ally, or a wall.

Oxium can also be found in the Orokin Void by destroying canisters, as rare loot in Corpus canisters, Grineer containers or opening Grineer caches in Orokin Derelict Sabotage missions.

Gathering Tips
''These tips are based on opinion and may not be true. They should be viewed as advice and not solid fact. Keep in mind that factions on nodes change over time with Invasions, so farming locations will change over time.''
 * Playing Corpus Defense, Survival and Mobile Defense missions can yield 15-30 Oxium per run. (Easiest Corpus Level is Kiliken, Venus, a Defense mission)
 * Playing on Cerberus, Pluto can yield about 200-600 Oxium in 4 Rounds. (Depending on total Osprey kills)
 * Europa, Baal can yield 50-150 Oxium per run with a 4 player team.
 * Doing Sabotage, Capture, and Deception missions while being as loud as possible by destroying all enemies can yield a fair amount of Oxium, especially on Venus where there aren't too many high-level enemies, just don't let the targets escape in Capture.

Blueprints Requiring Oxium
Click to view the Blueprints requiring Oxium. 

Market
"By purchasing this item you can directly exchange 30 for 300 Oxium."

- In-Game Description

Oxium was added to the Market in Update 12.6.