Honestly I would skip any kinds of nuts. Stick to leafy greens, veggies, fruits and protein. I’m not even sure if a turtle could digest a nut. Also, pine is known to be toxic to turtles and tortoises so I’d definitely stay a way from anything pine related.
Pine nuts are very high in fat, and supposedly turtles are not good at digesting fat.
That said, like dmmj said, it is unlikely that a chelonian could masticate a nut into fine enough pieces to digest much.