In most games, any of the main character (playable) character can be stoned or petrified.
Some enemies can Petrify when they hit, I'm guessing you fought a Cockatrice or related creature. You'll need a Gold Needle to cure the character.
If they are turned to stone you might have to use a golden needle or the ember of flames.
There is no rainbow stone in Final Fantasy 1. Perhaps you are thinking of the Rainbow Stone from Dragon Warrior 1.
You get the Rosetta Stone in the sunken shrine
All machina-type enemies in Final Fantasy X are immune to Petrification, so no, Kimahri's Stone Breath won't work on that enemy.
The story of Medusa is a myth, entirely fantasy. There is no record of how many people were turned to stone. Which, in this context, is impossible.
you need the sword nosada and a human to be able to be ninja
There are two mines in final fantasy 12. Use these maps. http://www.ff12maps.com/#map:lhusumines http://www.ff12maps.com/#map:hennemines A teleport stone also transports you out. Both mines have orange crystals.
Breathes fire Kills people Gets turned into stone
First you have to fight this white guy that can teleport and has green electricity in him. Then, after watching a video, you have to retrieve the stone of chaos. Then its the ending song.
Fantasy
He is a 'Fayth', a summoner preserved in stone. The Aeons themselves are dreamed into existence by the Fayth, that boy is Bahamut's Fayth.