White Onyx Shot Glass Set

You can generally eat off of white onyx dishware, as it is considered food-safe and non-toxic. However, it's important to be mindful of potential staining, especially from red wine and other pigmented foods. Additionally, it's best to avoid using acidic foods or cleaners on onyx, as they could etch the surface. 
Food Safety:
Onyx is a naturally occurring stone that does not emit toxins when used for food and beverage. 
Staining:
While onyx is food-safe, it can be prone to staining, particularly from red wine and other acidic or pigmented substances. 
Care and Maintenance:
To maintain the beauty and integrity of onyx dishware, avoid using acidic foods or cleaners, which can etch the surface. 
Durability:
Onyx is known for its durability and ability to withstand everyday use.