They are found in caves or deep in the earth.
The ruby was first found in August 26th 1837
Sir Gilbert Denbrows, an English mineralogist found the first ruby :)
I don't believe you can get Celebi on Ruby.
if your talking about Pokemon ruby you can get it at gamestop for GBA for $ 30.00
Rayquaza can be found at Sky Pillar in Pokemon Ruby.
Piplup is not found in Ruby.. Piplup wasn't created when they made Pokemon Ruby.
Yes you can get Rayquaza in Pokemon Ruby it can be found in the Sky Pillar.
Lunatone is not found in Pokemon Ruby but it is found in Pokemon Sapphire. There simple done and done... XD
ruby
usually by mining for them
Czech Republic
Leo Lambert found the place in 1928 and named it after his wife Ruby Lambert and they named it Ruby Falls because his wife Ruby and the Waterfalls.