No, they're relying on the implied use of Troy ounces for precious metals. Using fluid oz for gold without saying so would be bonkers. Using Troy oz for gold w

No, they're relying on the implied use of Troy ounces for precious metals. Using fluid oz for gold without saying so would be bonkers. Using Troy oz for gold without saying so is standard practice. Edit: Doing this with a liquid vs. a solid would be a fun trick though.