Jar of Cloud residue

Jar of Cloud residue is a miscellaneous item in the Fallout: New Vegas add-on, Dead Money.

Characteristics
Cloud residue is a powdery substance created by The Cloud that surround the Sierra Madre. This dark red ash collects on surfaces of the resort, like walls and floors.

Cloud residue is used in crafting many items at campfires or electric hot plates: Ghost Sight, a low-light vision consumable; Cloud Kiss, a deadly poison; and Sierra Madre martinis, a potent drink, are all made with jars of Cloud residue.

Locations

 * Dark red splotches of raw residue can be collected from many external walls and floors in the Villa.
 * One jar can be found in the entrance of the Abandoned Brotherhood of Steel bunker, located on a corpse.
 * The chemistry set in the Abandoned BoS Bunker spawns one every day (Science skill of 25 required).
 * On the bodies of the dead headless corpses in the Villa Clinic.