no. the sun stone was introduced in Pokemon gold and silver.
you can only trade a sun stone with someone who has fire red, leaf green, or emerald.
underground
You find sun stone underground!
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
I forgot about the dusk stone,but I think u need to go underground to find the sun stone.
find a sun stone.
you go to the undergorund and find it
you cannot find Victreebell in fire red at all. Leaf green has bellsprout,weepinbell,and victrebell(leaf stone). Fire red has oddish,gloom,vileplum(leaf stone),or bellosom(sun stone,gotton in ruin vally five island).
you get the national pokedex then find it underground
Use a sun stone on a Gloom.
You can find a Sun Stone in Raimon/Nimbasa City (The 4th Gym City) The Sun Stone can be obtained from a person in the apartment left of the Battle Subway on the 2nd floor.
im pretty sure it evolves certain types of Pokemon, you will have to find the Pokemon