you find the hard stone underground
You can't find it
No Pokémon can evolve with the Hard Stone.
None
You find sun stone underground!
you can find them underground
there is no "electric stone" but there is a thunder stone witch can be found under ground
hard stone can be found at dark cave
No Pokemon can evolve with a hard stone
In Route 36 from Arthur on Thursday.
In the Granite Cave at Dewford town. It is not too hard to find it there.
none a hard stone powers up moves -> Hard stone power ups rock type moves, it doesn't cause a Pokemon to evolve in anyway.
No Pokémon can evolve with the Hard Stone.
No Pokemon levels up through Hard Stone, but it DOES raise the power of rock-type moves by 10%.
Pokemon requiring a stone to evolve:Eevee - Thunder stone, Jolteon (you can't find this Pokemon in Ruby) Eevee- fire stone, Flareon (you can't find this Pokemon in Ruby)Eevee- water stone, Vaporeon (you can't find this Pokemon in Ruby)Sunkern- sun stone, Sunflora (you can't find this Pokemon in Ruby)Jigglypuff- moon stone, WigglytuffSkitty - moon stone, DelcattyNidorino- moon stone, Nidoking (you can't find this Pokemon in Ruby)Nidorina- moon stone, Nidoqueen (you can't find this Pokemon in Ruby)Growlithe- fire stone, Arcanine (you can't find this Pokemon in Ruby)Gloom- sun stone, BellosumGloom- leaf stone, VileplumeStaryu- water stone, StarmiePikachu- thunder stone, RaichuLombre- water stone, LudicoloNuzleaf- leaf stone, ShiftryVulpix- fire stone, NinetalesHappiny- oval stone Chansey
No Pokemon evolves by hard stone. Hard stone just increases the power of rock type moves.
You can get the Hard Stone from Arthur, who is located on Route 36 on Thursdays.
The Hard Stone does not evolve any Pokémon.
You may find a leaf stone in Alexa forest or Viridan Forest. It is in one of those places. You will have to look hard for it though.