Agathized (Rock/Gound) & Opalized (Rock/Ice) fossil pokemons
During the formation of a fossil, due to the minerals in the area, a fossil can become agatized or opalized, this means that the resulting fossil can have parts made out of agathe or opal, giving them an iridiscent look
Due to this process, this 2 fossil pokemons after being revived had some of their body parts completely replaced by the minerals
The Agatized fossil (Rock/Ground) is based on the Doedicurus Clavicaudatus
The Opalized fossil (Rock/Ice) is based on the Elasmotherium Sibiricum









