Evolutionary Stones

About
Evolutionary Stones make certain species of Pokémon that require it evolve. For example, to evolve a Pikachu into Raichu, you need to use a Thunder Stone. Most of the Pokémon species that use these stones to evolve are missing from the game.

List of Evolutionary Stones
Below is a list of Evolutionary Stones and their locations, and if they are purchasable.

Trivia

 * Only some of these stones can be bought from Meowth's Mad Deals, which are the Leaf, Water, Fire, Moon, and Shiny Stones.
 * Only one of the species of Pokémon is missing from the Thunder Stone, and that is the Tynamo family.