Iwa
石 "Ishi"
ishi no kin
Ishi.
Rock/stone (Japanese)
rosetta stone
Ishiyama.
The stone is 'suigyoku,' written: 翠玉
Ishiku as in stone mason
The Japanese translation for dark stone in the American versions of the game was dusk stone. The dusk stone cannot be found in games prior to Pokemon Diamond, Pearl, and Platinum.
Tarawa
I think they used stone for the base :)
Tarawa