Transylvania Gold. Queen Marie used this for her coronation crown, but before that time, the Romans created mines to get the gold from the land. Abrud, which is close to Alba Iluia was built for the purpose of protecting these mines.
|Above see Gold Crown of Queen Marie, Made From Transylvanian Gold|
There are still many mines of Gold in Transylvania and this is something that has been passed down for centuries and is one of the reasons why Transylvania is so valuable.