Purity: Ruling on Eating and Drinking from Gold or Silver Utensils in Cases of Necessity
Practical Laws of Islam as per the teachings of Ayatullah Sistani
Ruling 233
There is no problem in eating or drinking from a gold or silver utensil if one is compelled to, but only to the extent that his need is alleviated; more than that is not permitted.
-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)