trade on pal park
I believe you can get a Shiny Stone in HeartGold in the Pokèathlon Prize Corner after you get 5000 Points.
black stone
There is no such thing as an Ice Stone
You can buy the Shiny stone at the pokeatholon dome
Pineco does not evolve with a stone.
Fire Stone
pokelathon
the pokeatlon on Wednesday
Pokethan.
Fire stone
i think it is a leaf stone
Fire Stone Water Stone Thunderstone Leaf Stone Dusk Stone Sun Stone Moon Stone Dawn Stone