A man gives them to you in Dark Cave. He's in the northwest corner of the Blackthorn City entrance.
If you can trade Pokemon from crystal version to gold version my guess is yes
There is no official game yet, but there are rumors that there will be a Pokemon Gray version in a year or two, similar to Pokemon Platinum and Pokemon Crystal, as if it becomes real, it will be the third game in the Pokemon Black and White games.
In Pokemon Crystal Version, a Heracross will occasionally appear when you use headbutt on trees.
in any version you need a masterball
Yes, it can, but only if you have the gameboy version of crystal.
A store that sells musical crystal glasses! Obviously!
Crystal stemware is usually used for crystal glasses; mostly wine glasses. A lot of households in the 20th and 21st century use crystal stemware glasses for wine and other liquid consumables.
In the DS version at least it is unlocked at the Earth Crystal along with the other Earth Crystal jobs which are Summoner, Magus, Devout, Ninja, and Sage. In the NES version it is unlocked at the Water Crystal.
If you can trade Pokemon from crystal version to gold version my guess is yes
Registeel doesn't exist in crystal version.
No
Glasses to drink from.
Sorry, this is not a p2p sales site. If you have any questions about Bohemian crystal wine glasses, this site is what you need.
To trade Pokemon from Pokemon Crystal version to another version of Crystal you need to use a link cable. You can also battle this way.
Crystal glasses are not made out of crystal. They're made of regular glass in which the calcium is replaced with lead oxide or zinc, causing them to sparkle more than the usual type of glass.
There are multiple steps involved in the forming of crystal glasses. The initial process is called glass blowing. This is a long process which requires multiple people to perform the tasks of making crystal glasses. There is a great deal of information regarding this process on the eHow website.
Wine glasses are usually, and most often, made from lead crystal.