What Mega Evolution Stones are in Pokemon X and Y?

Answer 1

You can find Moonstones via the following: Reflection Cave, Terminus Cave, Secret Super Training (Drag Down Hydreigon!), Route 18 (from Psychic Inver), held by wild Clefairy and wild Lunatone. You can also randomly win one from the Balloon Popping game on the Pokemon Global Link website on Level 3. To obtain items from the Global Link website you must obtain a Game Sync ID via the PSS in-game and then use it to register on the website to sync your game card with the website. You must also use your obtained Poke Miles to play the Balloon Popping game which are obtained from StreetPass, Walking, and Interacting with people on the PSS.

Answer 2

Here's the list of the confirmed Mega Stones obtainable in Pokémon X and Y and their respective locations. For the ones marked with a *, you first need to upgrade your Mega Ring during post-game. You can see how in the related questions below.

• Abomasite- Frost Cavern after saving Abomasnow from Team Flare;
• Absolite - Handed over by Calem/Serena in Kiloude City;
• Aerodactylite - Given by a scientist at the Fossil Lab in Ambrette Town;
• Aggronite* - Cyllage Gym (Pokémon Y exclusive);
• Alakazite* - Reflection Cave;
• Ampharosite - Received from a man around Azure Bay;
• Banettite* - Chamber of Emptiness;
• Blastoisinite - Given by Professor Sycamore at the Pokémon Lab in Lumiose City or can be bought at the Stone Emporium if you didn't choose Squirtle as a starter;
• Blazikenite - Obtainable with a Torchic through a Wi-Fi event during October 12th until January 15th, 2014;
• Charizardite X - Given by Professor Sycamore at the Pokémon Lab in Lumiose City or can be bought at the Stone Emporium if you didn't choose Charmander as a starter (Pokémon X exclusive);
• Charizardite Y - Given by Professor Sycamore at the Pokémon Lab in Lumiose City or can be bought at the Stone Emporium if you didn't choose Charmander as a starter (Pokémon Y exclusive);
• Garchompite* - Victory Road (outside). Rock Smash needed;
• Gardevoirite - Held by Diantha's Ralts. You can trade a random Pokémon with her inside the Café Soleil located at the South Boulevard in Lumiose City;
• Gengarite - Given by a woman in Laverre City;
• Gyaradosite* - Hidden at the middle waterfall in Couriway Town;
• Heracronite* - Santalune Forest (Pokémon Y exclusive);
• Houndoomite* - Route 16 (Pokémon Y exclusive);
• Kangaskhanite* - Glittering Cave;
• Lucarionite - Received with a Lucario from Korrina at the Tower of Mastery around Shalour City;
• Manectite* - Route 16 (Pokémon X exclusive);
• Mawilite* - Shabboneau Castle;
• Medichamite* - In front of the well in Laverre City;
• Mewtwonite X - Obtainable after catching Mewtwo inside the Unknown Dungeon near the Pokémon Village. (Pokémon X exclusive);
• Mewtwonite Y - Obtainable after catching Mewtwo inside the Unknown Dungeon near the Pokémon Village. (Pokémon Y exclusive);
• Pinsirite* - Santalune Forest (Pokémon X exclusive);
• Scizorite* - Behind Abomasnow in Frost Cavern;
• Tyranitarite* - Cyllage Gym (Pokémon X exclusive);
• Venusaurite - Given by Professor Sycamore at the Pokémon Lab in Lumiose City or can be bought at the Stone Emporium if you didn't choose Bulbasaur as a starter.

Answer 3

The Mega Stones that are available in both games of Pokemo n X and Y are Abomasite which is given to you by the Frost Cavern after saving it from Team Flare, Absolite which is found in Kiloude City, Aerodactylite which can be found in Ambrette Town Fossil Lab but only after rescuing the Scientist that was in the Glittering Cave, Alakazite can be found in Reflection Cave but it requires an upgraded Mega Ring, Ampharosite will be given to you by an old man in Azure Bay, Banettite can be found in the Chamber of Emptiness but it requires an upgraded Mega Ring, Blastoisinite will be given to you in Professor Sycamore's Lab if you choose Squirtle as one of the Pokémon that he allows you to choose otherwise you would need to later purchase it in the Stone Emporium which is a shop in Lumiose City, Garchompite can be found within the Victory Road but outside of the cave itself but it requires an upgraded Mega Ring in order to see it, Gardevoirite can only be found if you trade for Diantha's Ralts in Café Soleil since her Ralts will be holding one, Gengarite will be given to you by a player in Laverre City however you must've seen either Gastly or one of its two evolutions, Gyaradosite can be found in Couriway Town but it can only be seen with an upgraded Mega Ring, Aggronite can be found in Cyllage Gym but only with an upgraded Mega Ring and can only be found in Y, Charizardite X is available in the Sycamore Lab in Pokémon X only but only if you chose Charmander otherwise you will need to purchase it in the Stone Emporium and Charizardite Y is available only in Pokémon Y and it will be given to you if you choose Charmander in the Sycamore Lab otherwise it will require a purchase from the Stone Emporium.