The Pokémon Company has acknowledged that Mega Stones for certain Pokémon are currently unavailable in Pokémon Sun and Moon. The company assures players that the Mawilite and Beedrillite will be distributed through an entry gift for an Online Competition scheduled to take place in late February. Meanwhile, other missing Mega Stones will be distributed via similar methods in the future. Exact dates regarding upcoming Mega Stone distributions have yet to be announced, but stay tuned for any updates.
Source: Serebii
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