So we have a "something" on Mars which definitely looks to my eyes as something metallic, and a "possible other thing" with its own high weirdness. Given the context, my vote on the "second something" is that it's not a rock either.
Source: https://gizadeathstar.com/2018/08/nasa-on-that-foreign-object-on-mars/
Source: https://gizadeathstar.com/2018/08/nasa-on-that-foreign-object-on-mars/
