The most rarest Pokemon card is original set kahangaskhan. Worth more then $1000 a piece.
Well the rarest jem is Emerald and the 2nd rarest is Diamonds 💎
its not a rock but it is the rarest without a mod is emerald ore
enigma berry
Emerald I think
Emerald and Ice Rose
kyogre rayquaza and groudon
The rarest ore in Minecraft is emerald ore. Emerald ore can only be found in extreme hills biomes and only spawn as an individual rather than in veins. Emerald ore can be mined with an iron or diamond pickaxe.
you can't get the black flute in leaf green but you can in Pokemon ruby, sapphire and emerald then trade it to leaf green.
the rarest Pokemon in Ruby Sapphire and Emerald is Feebas
go to mossdeep city then head left and go past the white rock at the end their should be a house with a fisherman in it and he will give it to you
latios and latias appear in random patches of grass and areas of water after you catch Rayquaza or make him faint.(after saving the world in Sootopolis.)