Mega Stone Locations (Pokémon X/Pokémon Y)

Here is a list of all the Mega Stone locations in Pokémon X and Pokémon Y.

Mega Stone            Mega Stone's Location

Alakazite               Reflection Cave
Kangaskhanite      Glittering Cave
Garchompite         Victory Road
Scizorite                Frost Cavern
Mawilite               Shabboneau Castle
Banettite              The Chamber of Emptiness
Medichamite        Laverre City
Gyaradosite          Couriway Town
Manectite             Route 16 (Pokémon X Only)
Houndoominite    Route 16 (Pokémon Y Only)
Pinsirite                Santalune Forest (Pokémon X Only)
Heracronite          Santalune Forest (Pokémon Y Only)
Tyranitarite          Cyllage City Gym (Pokémon X Only)
Aagronite             Cyllage City Gym (Pokémon Y Only)
Gardevoirite         Lumiose City (Trade with Diantha)
Absolite                Kiloude City (Given to By Searna or Calem)
Latiite                   Hack the Game or Trade With Someone From Japan
Abomasnite          Frost Cavern (Given to By Abomasnow)
Gengarite             Laverre City (Given to By Hex Maniac)
Blastoisinite         Lumiose City (Given to By Professor Sycamore or Buy at Lumiose)
Charizardite X     Lumiose City (Pokémon X Only/Given to By Professor Sycamore or Buy at Lumiose)
Charizardite Y     Lumiose City (Pokémon Y Only/Given to By Professor Sycamore or Buy at Lumiose)
Venusaurite          Lumiose City (Given to By Professor Sycamore or Buy at Lumiose)
Mewtwonite X     Unknown Dungeon (Pokémon X Only/Given to After Mewtwo is Caught)
Mewtwonite Y      Unknown Dungeon (Pokémon Y Only/Given to After Mewtwo is Caught)
Mewtwonite Z      Currently Unavailable
Aerodactylite        Ambrette Town Fossil Lab (Given to By Scientist)
Ampharosite         Route 12
Lucarionite           Shalour City (Given to By Korrina)
Blazikenite           Mystery Gift or Trade With Someone